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December 2019

15 participants
15 discussions

Symmetric/Hermitian Eigenvalue Problem API and LAPACK wrappers change proposal
by Ilhan Polat Jan. 4, 2020

Jan. 4, 2020

Dear all, I've finally managed to create some time to put together the current status of the eigh, eigvalsh functions and possible ways to improve and maintain them. The issue is here https://github.com/scipy/scipy/issues/6502#issuecomment-241437506 I would really appreciate any feedback for this. It's in WIP format and I'll add more information as I go along. Happy holidays to all! Best, ilhan

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Making it easier to pin numpy in pyproject.toml
by Thomas Robitaille Jan. 3, 2020

Jan. 3, 2020

Hi all, As a developer of several packages that have numpy as a build-time dependency, I've been having to specify pinned versions of numpy in pyproject.toml files with environment markers, as is done by scipy: https://github.com/scipy/scipy/blob/master/pyproject.toml#L6 I've also noticed that different packages are sometimes inconsistent in what exact versions they use, and the scipy pinnings are also a little more advanced since they take into account the platform too (specifically the AIX case at the moment). I decided to experiment with an idea that might make the whole process easier and reduce burden on developers every time a new Python version is released. The basic idea is to create a meta-package that has a run-time dependency which is a pinned Numpy version, using the same pinnings. For now I've called this package 'oldest-supported-numpy': https://github.com/astrofrog/oldest-supported-numpy https://pypi.org/project/oldest-supported-numpy/ The idea is that with this, a pyproject.toml file can just use: [build-system] requires = ["wheel", "setuptools", "oldest-supported-numpy"] and there would then be one centralized place where we keep the pinnings, and can easily release a new version when a new Python version comes out. I wanted to check whether I might be missing some subtleties that mean that there will be issues with this approach? If not, then is this something that the SciPy community would be interested in using and maintaining? (since it seems a more natural home than just my user account). I'm also not particularly attached to the package name, so this could easily be changed to e.g. pep518-numpy or other options. Thanks! Tom

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NumPy 1.16.6 release.
by Charles R Harris Dec. 30, 2019

Dec. 30, 2019

Hi All, On behalf of the NumPy team I am pleased to announce that NumPy 1.16.6 has been released. This release fixes bugs reported against the 1.16.5 release and backports several enhancements from master that seem appropriate for an LTS series. The supported Python versions are 2.7, 3.5-3.7. This is the last release planned that supports Python 2.7. Wheels for this release can be downloaded from PyPI <https://pypi.org/project/numpy/1.16.6>, source archives and release notes are available from Github <https://github.com/numpy/numpy/releases/tag/v1.16.6>. Downstream developers building this release should use Cython >= 0.29.2 and, if using OpenBLAS, OpenBLAS >= v0.3.7. *Highlights* - The ``np.testing.utils`` functions have been updated from 1.19.0-dev0. This improves the function documentation and error messages as well extending the ``assert_array_compare`` function to additional types. *Contributors* A total of 10 people contributed to this release. - CakeWithSteak - Charles Harris - Chris Burr - Eric Wieser - Fernando Saravia - Lars Grueter - Matti Picus - Maxwell Aladago - Qiming Sun - Warren Weckesser *Pull requests merged* A total of 14 pull requests were merged for this release. - `#14211 <https://github.com/numpy/numpy/pull/14211>`__: BUG: Fix uint-overflow if padding with linear_ramp and negative... - `#14275 <https://github.com/numpy/numpy/pull/14275>`__: BUG: fixing to allow unpickling of PY3 pickles from PY2 - `#14340 <https://github.com/numpy/numpy/pull/14340>`__: BUG: Fix misuse of .names and .fields in various places (backport... - `#14423 <https://github.com/numpy/numpy/pull/14423>`__: BUG: test, fix regression in converting to ctypes. - `#14434 <https://github.com/numpy/numpy/pull/14434>`__: BUG: Fixed maximum relative error reporting in assert_allclose - `#14509 <https://github.com/numpy/numpy/pull/14509>`__: BUG: Fix regression in boolean matmul. - `#14686 <https://github.com/numpy/numpy/pull/14686>`__: BUG: properly define PyArray_DescrCheck - `#14853 <https://github.com/numpy/numpy/pull/14853>`__: BLD: add 'apt update' to shippable - `#14854 <https://github.com/numpy/numpy/pull/14854>`__: BUG: Fix _ctypes class circular reference. (#13808) - `#14856 <https://github.com/numpy/numpy/pull/14856>`__: BUG: Fix `np.einsum` errors on Power9 Linux and z/Linux - `#14863 <https://github.com/numpy/numpy/pull/14863>`__: BLD: Prevent -flto from optimising long double representation... - `#14864 <https://github.com/numpy/numpy/pull/14864>`__: BUG: lib: Fix histogram problem with signed integer arrays. - `#15172 <https://github.com/numpy/numpy/pull/15172>`__: ENH: Backport improvements to testing functions. - `#15191 <https://github.com/numpy/numpy/pull/15191>`__: REL: Prepare for 1.16.6 release. Cheers, Charles Harris

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ANN: SfePy 2019.4
by Robert Cimrman Dec. 23, 2019

Dec. 23, 2019

I am pleased to announce release 2019.4 of SfePy. Description ----------- SfePy (simple finite elements in Python) is a software for solving systems of coupled partial differential equations by the finite element method or by the isogeometric analysis (limited support). It is distributed under the new BSD license. Home page: http://sfepy.org Mailing list: https://mail.python.org/mm3/mailman3/lists/sfepy.python.org/ Git (source) repository, issue tracker: https://github.com/sfepy/sfepy Highlights of this release -------------------------- - support surface terms in 1D problems - improved Gmsh mesh format support (write .msh files) - new updating procedure in nonlinear homogenization - improved/faster log plotter For full release notes see [1]. Cheers, Robert Cimrman [1] http://docs.sfepy.org/doc/release_notes.html#id1 --- Contributors to this release in alphabetical order: Robert Cimrman Vladimir Lukes Matyas Novak Tomáš Zítka

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doc git submodule causing issues
by Andrew Nelson Dec. 23, 2019

Dec. 23, 2019

I'm currently experiencing an issue where doc/scipy-sphinx-theme is always looking like changes have been made to it, even if I've not touched it. Several times now I've committed it by accident so have had to roll back changes. Is there a recommended way of preventing this?

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NumPy 1.18.0 release
by Charles R Harris Dec. 22, 2019

Dec. 22, 2019

Hi All, On behalf of the NumPy team I am pleased to announce that NumPy 1.18.0 has been released. In addition to the usual bug fixes, this NumPy release cleans up and documents the new random C-API, expires a large number of old deprecations, and improves the appearance and organization of the documentation. The Python versions supported are 3.5-3.8. This is the last NumPy release series that will support Python 3.5. The highlights of this release are: - the C-API for ``numpy.random`` has been defined and documented, - basic infrastructure for linking with 64 bit BLAS and LAPACK libraries, - many documentation improvements. Downstream developers should use Cython >= 0.29.14 for Python 3.8 support and OpenBLAS >= 3.7 to avoid wrong results on the Skylake architecture. The NumPy Wheels for this release can be downloaded from PyPI <https://pypi.org/project/numpy/1.18.0/>, source archives and release notes are available from Github <https://github.com/numpy/numpy/releases/tag/v1.18.0>. *Highlights* - The C-API for ``numpy.random`` has been defined and documented. - Basic infrastructure for linking with 64 bit BLAS and LAPACK libraries. - Many documentation improvements. *Contributors* A total of 114 people contributed to this release. People with a "+" by their names contributed a patch for the first time. - Abhinav Sagar - Alex Henrie + - Alexander Jung + - Allan Haldane - Andrea Pattori - Andrew Liu + - Anis Ladram + - Anne Bonner + - Antoine Dechaume + - Aryan Naraghi + - Bastian Eichenberger + - Brian Wignall + - Brigitta Sipocz - CakeWithSteak + - Charles Harris - Chris Barker - Chris Burr + - Chris Markiewicz + - Christoph Gohlke - Christopher Whelan - Colin Snyder - Dan Allan - Daniel Ching - David Stansby + - David Zwicker + - Dieter Werthmüller - Disconnect3d + - Dmytro + - Doug Davis + - Eric Larson - Eric Wieser - Esben Haabendal + - Eugene Prilepin + - Felix Divo + - Gary Gurlaskie - Gina + - Giuseppe Cuccu + - Grzegorz Bokota + - Guanqun Lu + - Guilherme Leobas + - Guillaume Horel - Géraud Le Falher + - Hameer Abbasi - Harmon - Hiroyuki V. Yamazaki - Huang, Guangtai + - Hugo + - Hyeonguk Ryu + - Ilhan Polat + - Isaac Virshup - Jack J. Woehr + - Jack Woehr + - Jackie Leng - Jaime Fernandez - Jeff Hale + - Johann Faouzi + - Jon Dufresne + - Joseph Fox-Rabinovitz - Joseph R. Fox-Rabinovitz + - João Marcos Gris + - Justus Magin + - Jérémie du Boisberranger - Kai Striega - Kevin Sheppard - Kexuan Sun - Kmol Yuan + - Kriti Singh - Larry Bradley + - Lars Grueter - Luis Pedro Coelho - MSeifert04 - Magdalena Proszewska + - Manny + - Mark Harfouche - Martin Reinecke - Martin Thoma - Matt Haberland + - Matt McCormick + - Matthias Bussonnier - Matti Picus - Max Bolingbroke + - Maxwell Aladago + - Michael Hudson-Doyle + - Oleksandr Pavlyk - Omar Merghany + - Pauli Virtanen - Peter Andreas Entschev - Peter Bell - Peter Cock + - Pradeep Reddy Raamana + - Qiming Sun + - Raghuveer Devulapalli - Ralf Gommers - Samesh + - Samesh Lakhotia + - Sebastian Berg - Sergei Lebedev - Seth Troisi + - Siddhesh Poyarekar + - Simon + - Simon Notley + - Stefan van der Walt - Stephan Hoyer - Steve Stagg - Thomas A Caswell - Thomas Kluyver - Tim Hoffmann + - Tirth Patel + - Tyler Reddy - Vladimir Pershin + - Warren Weckesser - Yadong Zhang + - Zieji Pohz + - Zolisa Bleki + Cheers, Charles Harris

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ANN: SciPy 1.4.1
by Tyler Reddy Dec. 19, 2019

Dec. 19, 2019

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi all, On behalf of the SciPy development team I'm pleased to announce the release of SciPy 1.4.1, which is a bug fix release. Sources and binary wheels can be found at: https://pypi.org/project/scipy/ and at: https://github.com/scipy/scipy/releases/tag/v1.4.1 One of a few ways to install this release with pip: pip install scipy==1.4.1 ========================== SciPy 1.4.1 Release Notes ========================== SciPy 1.4.1 is a bug-fix release with no new features compared to 1.4.0. Importantly, it aims to fix a problem where an older version of pybind11 may cause a segmentation fault when imported alongside incompatible libraries. Authors ====== * Ralf Gommers * Tyler Reddy Issues closed for 1.4.1 --------------------------------- * `#11237 <https://github.com/scipy/scipy/issues/11237>`__: Seg fault when importing torch Pull requests for 1.4.1 -------------------------------- * `#11238 <https://github.com/scipy/scipy/pull/11238>`__: BLD: update minimum pybind11 version to 2.4.0. 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ANN: SciPy 1.4.0
by Tyler Reddy Dec. 17, 2019

Dec. 17, 2019

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi all, On behalf of the SciPy development team I'm pleased to announce the release of SciPy 1.4.0. Sources and binary wheels can be found at: https://pypi.org/project/scipy/ and at: https://github.com/scipy/scipy/releases/tag/v1.4.0 One of a few ways to install this release with pip: pip install scipy==1.4.0 ========================== SciPy 1.4.0 Release Notes ========================== SciPy 1.4.0 is the culmination of 6 months of hard work. It contains many new features, numerous bug-fixes, improved test coverage and better documentation. There have been a number of deprecations and API changes in this release, which are documented below. All users are encouraged to upgrade to this release, as there are a large number of bug-fixes and optimizations. Before upgrading, we recommend that users check that their own code does not use deprecated SciPy functionality (to do so, run your code with ``python -Wd`` and check for ``DeprecationWarning`` s). Our development attention will now shift to bug-fix releases on the 1.4.x branch, and on adding new features on the master branch. This release requires Python 3.5+ and NumPy >=1.13.3 (for Python 3.5, 3.6), >=1.14.5 (for Python 3.7), >= 1.17.3 (for Python 3.8) For running on PyPy, PyPy3 6.0+ and NumPy 1.15.0 are required. Highlights of this release ---------------------------------- - a new submodule, `scipy.fft`, now supersedes `scipy.fftpack`; this means support for ``long double`` transforms, faster multi-dimensional transforms, improved algorithm time complexity, release of the global intepreter lock, and control over threading behavior - support for ``pydata/sparse`` arrays in `scipy.sparse.linalg` - substantial improvement to the documentation and functionality of several `scipy.special` functions, and some new additions - the generalized inverse Gaussian distribution has been added to `scipy.stats` - an implementation of the Edmonds-Karp algorithm in `scipy.sparse.csgraph.maximum_flow` - `scipy.spatial.SphericalVoronoi` now supports n-dimensional input, has linear memory complexity, improved performance, and supports single-hemisphere generators New features ============ Infrastructure -------------------- Documentation can now be built with ``runtests.py --doc`` A ``Dockerfile`` is now available in the ``scipy/scipy-dev`` repository to facilitate getting started with SciPy development. `scipy.constants` improvements --------------------------------------------- `scipy.constants` has been updated with the CODATA 2018 constants. `scipy.fft` added ------------------------ `scipy.fft` is a new submodule that supersedes the `scipy.fftpack` submodule. For the most part, this is a drop-in replacement for ``numpy.fft`` and `scipy.fftpack` alike. With some important differences, `scipy.fft`: - uses NumPy's conventions for real transforms (``rfft``). This means the return value is a complex array, half the size of the full ``fft`` output. This is different from the output of ``fftpack`` which returned a real array representing complex components packed together. - the inverse real to real transforms (``idct`` and ``idst``) are normalized for ``norm=None`` in thesame way as ``ifft``. This means the identity ``idct(dct(x)) == x`` is now ``True`` for all norm modes. - does not include the convolutions or pseudo-differential operators from ``fftpack``. This submodule is based on the ``pypocketfft`` library, developed by the author of ``pocketfft`` which was recently adopted by NumPy as well. ``pypocketfft`` offers a number of advantages over fortran ``FFTPACK``: - support for long double (``np.longfloat``) precision transforms. - faster multi-dimensional transforms using vectorisation - Bluestein’s algorithm removes the worst-case ``O(n^2)`` complexity of ``FFTPACK`` - the global interpreter lock (``GIL``) is released during transforms - optional multithreading of multi-dimensional transforms via the ``workers`` argument Note that `scipy.fftpack` has not been deprecated and will continue to be maintained but is now considered legacy. New code is recommended to use `scipy.fft` instead, where possible. `scipy.fftpack` improvements ---------------------------------------- `scipy.fftpack` now uses pypocketfft to perform its FFTs, offering the same speed and accuracy benefits listed for scipy.fft above but without the improved API. `scipy.integrate` improvements ------------------------------------------- The function `scipy.integrate.solve_ivp` now has an ``args`` argument. This allows the user-defined functions passed to the function to have additional parameters without having to create wrapper functions or lambda expressions for them. `scipy.integrate.solve_ivp` can now return a ``y_events`` attribute representing the solution of the ODE at event times New ``OdeSolver`` is implemented --- ``DOP853``. This is a high-order explicit Runge-Kutta method originally implemented in Fortran. Now we provide a pure Python implementation usable through ``solve_ivp`` with all its features. `scipy.integrate.quad` provides better user feedback when break points are specified with a weighted integrand. `scipy.integrate.quad_vec` is now available for general purpose integration of vector-valued functions `scipy.interpolate` improvements --------------------------------------------- `scipy.interpolate.pade` now handles complex input data gracefully `scipy.interpolate.Rbf` can now interpolate multi-dimensional functions `scipy.io` improvements --------------------------------- `scipy.io.wavfile.read` can now read data from a `WAV` file that has a malformed header, similar to other modern `WAV` file parsers `scipy.io.FortranFile` now has an expanded set of available ``Exception`` classes for handling poorly-formatted files `scipy.linalg` improvements ------------------------------------- The function ``scipy.linalg.subspace_angles(A, B)`` now gives correct results for complex-valued matrices. Before this, the function only returned correct values for real-valued matrices. New boolean keyword argument ``check_finite`` for `scipy.linalg.norm`; whether to check that the input matrix contains only finite numbers. Disabling may give a performance gain, but may result in problems (crashes, non-termination) if the inputs do contain infinities or NaNs. `scipy.linalg.solve_triangular` has improved performance for a C-ordered triangular matrix ``LAPACK`` wrappers have been added for ``?geequ``, ``?geequb``, ``?syequb``, and ``?heequb`` Some performance improvements may be observed due to an internal optimization in operations involving LAPACK routines via ``_compute_lwork``. This is particularly true for operations on small arrays. Block ``QR`` wrappers are now available in `scipy.linalg.lapack` `scipy.ndimage` improvements ------------------------------------------ `scipy.optimize` improvements ------------------------------------------ It is now possible to use linear and non-linear constraints with `scipy.optimize.differential_evolution`. `scipy.optimize.linear_sum_assignment` has been re-written in C++ to improve performance, and now allows input costs to be infinite. A ``ScalarFunction.fun_and_grad`` method was added for convenient simultaneous retrieval of a function and gradient evaluation `scipy.optimize.minimize` ``BFGS`` method has improved performance by avoiding duplicate evaluations in some cases Better user feedback is provided when an objective function returns an array instead of a scalar. `scipy.signal` improvements -------------------------------------- Added a new function to calculate convolution using the overlap-add method, named `scipy.signal.oaconvolve`. Like `scipy.signal.fftconvolve`, this function supports specifying dimensions along which to do the convolution. `scipy.signal.cwt` now supports complex wavelets. The implementation of ``choose_conv_method`` has been updated to reflect the new FFT implementation. In addition, the performance has been significantly improved (with rather drastic improvements in edge cases). The function ``upfirdn`` now has a ``mode`` keyword argument that can be used to select the signal extension mode used at the signal boundaries. These modes are also available for use in ``resample_poly`` via a newly added ``padtype`` argument. `scipy.signal.sosfilt` now benefits from Cython code for improved performance `scipy.signal.resample` should be more efficient by leveraging ``rfft`` when possible `scipy.sparse` improvements --------------------------------------- It is now possible to use the LOBPCG method in `scipy.sparse.linalg.svds`. `scipy.sparse.linalg.LinearOperator` now supports the operation ``rmatmat`` for adjoint matrix-matrix multiplication, in addition to ``rmatvec``. Multiple stability updates enable float32 support in the LOBPCG eigenvalue solver for symmetric and Hermitian eigenvalues problems in ``scipy.sparse.linalg.lobpcg``. A solver for the maximum flow problem has been added as `scipy.sparse.csgraph.maximum_flow`. `scipy.sparse.csgraph.maximum_bipartite_matching` now allows non-square inputs, no longer requires a perfect matching to exist, and has improved performance. `scipy.sparse.lil_matrix` conversions now perform better in some scenarios Basic support is available for ``pydata/sparse`` arrays in `scipy.sparse.linalg` `scipy.sparse.linalg.spsolve_triangular` now supports the ``unit_diagonal`` argument to improve call signature similarity with its dense counterpart, `scipy.linalg.solve_triangular` ``assertAlmostEqual`` may now be used with sparse matrices, which have added support for ``__round__`` `scipy.spatial` improvements --------------------------------------- The bundled Qhull library was upgraded to version 2019.1, fixing several issues. Scipy-specific patches are no longer applied to it. `scipy.spatial.SphericalVoronoi` now has linear memory complexity, improved performance, and supports single-hemisphere generators. Support has also been added for handling generators that lie on a great circle arc (geodesic input) and for generators in n-dimensions. `scipy.spatial.transform.Rotation` now includes functions for calculation of a mean rotation, generation of the 3D rotation groups, and reduction of rotations with rotational symmetries. `scipy.spatial.transform.Slerp` is now callable with a scalar argument `scipy.spatial.voronoi_plot_2d` now supports furthest site Voronoi diagrams `scipy.spatial.Delaunay` and `scipy.spatial.Voronoi` now have attributes for tracking whether they are furthest site diagrams `scipy.special` improvements ----------------------------------------- The Voigt profile has been added as `scipy.special.voigt_profile`. A real dispatch has been added for the Wright Omega function (`scipy.special.wrightomega`). The analytic continuation of the Riemann zeta function has been added. (The Riemann zeta function is the one-argument variant of `scipy.special.zeta`.) The complete elliptic integral of the first kind (`scipy.special.ellipk`) is now available in `scipy.special.cython_special`. The accuracy of `scipy.special.hyp1f1` for real arguments has been improved. The documentation of many functions has been improved. `scipy.stats` improvements ------------------------------------- `scipy.stats.multiscale_graphcorr` added as an independence test that operates on high dimensional and nonlinear data sets. It has higher statistical power than other `scipy.stats` tests while being the only one that operates on multivariate data. The generalized inverse Gaussian distribution (`scipy.stats.geninvgauss`) has been added. It is now possible to efficiently reuse `scipy.stats.binned_statistic_dd` with new values by providing the result of a previous call to the function. `scipy.stats.hmean` now handles input with zeros more gracefully. The beta-binomial distribution is now available in `scipy.stats.betabinom`. `scipy.stats.zscore`, `scipy.stats.circmean`, `scipy.stats.circstd`, and `scipy.stats.circvar` now support the ``nan_policy`` argument for enhanced handling of ``NaN`` values `scipy.stats.entropy` now accepts an ``axis`` argument `scipy.stats.gaussian_kde.resample` now accepts a ``seed`` argument to empower reproducibility `scipy.stats.kendalltau` performance has improved, especially for large inputs, due to improved cache usage `scipy.stats.truncnorm` distribution has been rewritten to support much wider tails Deprecated features =================== `scipy` deprecations ----------------------------- Support for NumPy functions exposed via the root SciPy namespace is deprecated and will be removed in 2.0.0. For example, if you use ``scipy.rand`` or ``scipy.diag``, you should change your code to directly use ``numpy.random.default_rng`` or ``numpy.diag``, respectively. They remain available in the currently continuing Scipy 1.x release series. The exception to this rule is using ``scipy.fft`` as a function -- :mod:`scipy.fft` is now meant to be used only as a module, so the ability to call ``scipy.fft(...)`` will be removed in SciPy 1.5.0. In `scipy.spatial.Rotation` methods ``from_dcm``, ``as_dcm`` were renamed to ``from_matrix``, ``as_matrix`` respectively. The old names will be removed in SciPy 1.6.0. Method ``Rotation.match_vectors`` was deprecated in favor of ``Rotation.align_vectors``, which provides a more logical and general API to the same functionality. The old method will be removed in SciPy 1.6.0. Backwards incompatible changes ========================== `scipy.special` changes --------------------------------- The deprecated functions ``hyp2f0``, ``hyp1f2``, and ``hyp3f0`` have been removed. The deprecated function ``bessel_diff_formula`` has been removed. The function ``i0`` is no longer registered with ``numpy.dual``, so that ``numpy.dual.i0`` will unconditionally refer to the NumPy version regardless of whether `scipy.special` is imported. The function ``expn`` has been changed to return ``nan`` outside of its domain of definition (``x, n < 0``) instead of ``inf``. `scipy.sparse` changes -------------------------------- Sparse matrix reshape now raises an error if shape is not two-dimensional, rather than guessing what was meant. The behavior is now the same as before SciPy 1.1.0. ``CSR`` and ``CSC`` sparse matrix classes should now return empty matrices of the same type when indexed out of bounds. Previously, for some versions of SciPy, this would raise an ``IndexError``. The change is largely motivated by greater consistency with ``ndarray`` and ``numpy.matrix`` semantics. `scipy.signal` changes ------------------------------- `scipy.signal.resample` behavior for length-1 signal inputs has been fixed to output a constant (DC) value rather than an impulse, consistent with the assumption of signal periodicity in the FFT method. `scipy.signal.cwt` now performs complex conjugation and time-reversal of wavelet data, which is a backwards-incompatible bugfix for time-asymmetric wavelets. `scipy.stats` changes ------------------------------ `scipy.stats.loguniform` added with better documentation as (an alias for ``scipy.stats.reciprocal``). ``loguniform`` generates random variables that are equally likely in the log space; e.g., ``1``, ``10`` and ``100`` are all equally likely if ``loguniform(10 ** 0, 10 ** 2).rvs()`` is used. Other changes ============= The ``LSODA`` method of `scipy.integrate.solve_ivp` now correctly detects stiff problems. `scipy.spatial.cKDTree` now accepts and correctly handles empty input data `scipy.stats.binned_statistic_dd` now calculates the standard deviation statistic in a numerically stable way. `scipy.stats.binned_statistic_dd` now throws an error if the input data contains either ``np.nan`` or ``np.inf``. Similarly, in `scipy.stats` now all continuous distributions' ``.fit()`` methods throw an error if the input data contain any instance of either ``np.nan`` or ``np.inf``. Authors ======= * @endolith * @wenhui-prudencemed + * Abhinav + * Anne Archibald * ashwinpathak20nov1996 + * Danilo Augusto + * Nelson Auner + * aypiggott + * Christoph Baumgarten * Peter Bell * Sebastian Berg * Arman Bilge + * Benedikt Boecking + * Christoph Boeddeker + * Daniel Bunting * Evgeni Burovski * Angeline Burrell + * Angeline G. Burrell + * CJ Carey * Carlos Ramos Carreño + * Mak Sze Chun + * Malayaja Chutani + * Christian Clauss + * Jonathan Conroy + * Stephen P Cook + * Dylan Cutler + * Anirudh Dagar + * Aidan Dang + * dankleeman + * Brandon David + * Tyler Dawson + * Dieter Werthmüller * Joe Driscoll + * Jakub Dyczek + * Dávid Bodnár * Fletcher Easton + * Stefan Endres * etienne + * Johann Faouzi * Yu Feng * Isuru Fernando + * Matthew H Flamm * Martin Gauch + * Gabriel Gerlero + * Ralf Gommers * Chris Gorgolewski + * Domen Gorjup + * Edouard Goudenhoofdt + * Jan Gwinner + * Maja Gwozdz + * Matt Haberland * hadshirt + * Pierre Haessig + * David Hagen * Charles Harris * Gina Helfrich + * Alex Henrie + * Francisco J. Hernandez Heras + * Andreas Hilboll * Lindsey Hiltner * Thomas Hisch * Min ho Kim + * Gert-Ludwig Ingold * jakobjakobson13 + * Todd Jennings * He Jia * Muhammad Firmansyah Kasim + * Andrew Knyazev + * Holger Kohr + * Mateusz Konieczny + * Krzysztof Pióro + * Philipp Lang + * Peter Mahler Larsen + * Eric Larson * Antony Lee * Gregory R. Lee * Chelsea Liu + * Jesse Livezey * Peter Lysakovski + * Jason Manley + * Michael Marien + * Nikolay Mayorov * G. D. McBain + * Sam McCormack + * Melissa Weber Mendonça + * Kevin Michel + * mikeWShef + * Sturla Molden * Eric Moore * Peyton Murray + * Andrew Nelson * Clement Ng + * Juan Nunez-Iglesias * Renee Otten + * Kellie Ottoboni + * Ayappan P * Sambit Panda + * Tapasweni Pathak + * Oleksandr Pavlyk * Fabian Pedregosa * Petar Mlinarić * Matti Picus * Marcel Plch + * Christoph Pohl + * Ilhan Polat * Siddhesh Poyarekar + * Ioannis Prapas + * James Alan Preiss + * Yisheng Qiu + * Eric Quintero * Bharat Raghunathan + * Tyler Reddy * Joscha Reimer * Antonio Horta Ribeiro * Lucas Roberts * rtshort + * Josua Sassen * Kevin Sheppard * Scott Sievert * Leo Singer * Kai Striega * Søren Fuglede Jørgensen * tborisow + * Étienne Tremblay + * tuxcell + * Miguel de Val-Borro * Andrew Valentine + * Hugo van Kemenade * Paul van Mulbregt * Sebastiano Vigna * Pauli Virtanen * Dany Vohl + * Ben Walsh + * Huize Wang + * Warren Weckesser * Anreas Weh + * Joseph Weston + * Adrian Wijaya + * Timothy Willard + * Josh Wilson * Kentaro Yamamoto + * Dave Zbarsky + A total of 142 people contributed to this release. People with a "+" by their names contributed a patch for the first time. This list of names is automatically generated, and may not be fully complete. Issues closed for 1.4.0 -------------------------------- * `#1255 <https://github.com/scipy/scipy/issues/1255>`__: maxiter broken for Scipy.sparse.linalg gmres, in addition to... * `#1301 <https://github.com/scipy/scipy/issues/1301>`__: consolidate multipack.h from interpolate and integrate packages... * `#1739 <https://github.com/scipy/scipy/issues/1739>`__: Single precision FFT insufficiently accurate. (Trac #1212) * `#1795 <https://github.com/scipy/scipy/issues/1795>`__: stats test_distributions.py: replace old fuzz tests (Trac #1269) * `#2233 <https://github.com/scipy/scipy/issues/2233>`__: fftpack segfault with big arrays (Trac #1714) * `#2434 <https://github.com/scipy/scipy/issues/2434>`__: rmatmat and the sophistication of linear operator objects * `#2477 <https://github.com/scipy/scipy/issues/2477>`__: stats.truncnorm.rvs() does not give symmetric results for negative... * `#2629 <https://github.com/scipy/scipy/issues/2629>`__: FFTpack is unacceptably slow on non power of 2 * `#2883 <https://github.com/scipy/scipy/issues/2883>`__: UnboundLocalError in scipy.interpolate.splrep * `#2956 <https://github.com/scipy/scipy/issues/2956>`__: Feature Request: axis argument for stats.entropy function * `#3528 <https://github.com/scipy/scipy/issues/3528>`__: Segfault on test_djbfft (possibly MKL-related?) * `#3793 <https://github.com/scipy/scipy/issues/3793>`__: cwt should also return complex array * `#4464 <https://github.com/scipy/scipy/issues/4464>`__: TST: residue/residuez/invres/invresz don't have any tests * `#4561 <https://github.com/scipy/scipy/issues/4561>`__: BUG: tf filter trailing and leading zeros in residuez * `#4669 <https://github.com/scipy/scipy/issues/4669>`__: Rewrite sosfilt to make a single loop over the input? * `#5040 <https://github.com/scipy/scipy/issues/5040>`__: BUG: Empty data handling of (c)KDTrees * `#5112 <https://github.com/scipy/scipy/issues/5112>`__: boxcox transform edge cases could use more care * `#5441 <https://github.com/scipy/scipy/issues/5441>`__: scipy.stats.ncx2 fails for nc=0 * `#5502 <https://github.com/scipy/scipy/issues/5502>`__: args keyword not handled in optimize.curve_fit * `#6484 <https://github.com/scipy/scipy/issues/6484>`__: Qhull segmentation fault * `#6900 <https://github.com/scipy/scipy/issues/6900>`__: linear_sum_assignment with infinite weights * `#6966 <https://github.com/scipy/scipy/issues/6966>`__: Hypergeometric Functions documentation is lacking * `#6999 <https://github.com/scipy/scipy/issues/6999>`__: possible false positive corruption check in compressed loadmat() * `#7018 <https://github.com/scipy/scipy/issues/7018>`__: ydata that needs broadcasting renders curve_fit unable to compute... * `#7140 <https://github.com/scipy/scipy/issues/7140>`__: trouble with documentation for windows * `#7327 <https://github.com/scipy/scipy/issues/7327>`__: interpolate.ndgriddata.griddata causes Python to crash rather... * `#7396 <https://github.com/scipy/scipy/issues/7396>`__: MatrixLinearOperator implements _adjoint(), but not _transpose() * `#7400 <https://github.com/scipy/scipy/issues/7400>`__: BUG(?): special: factorial and factorial2 return a 0-dimensional... * `#7434 <https://github.com/scipy/scipy/issues/7434>`__: Testing of scipy.stats continuous distributions misses 25 distributions * `#7491 <https://github.com/scipy/scipy/issues/7491>`__: Several scipy.stats distributions (fisk, burr, burr12, f) return... * `#7759 <https://github.com/scipy/scipy/issues/7759>`__: Overflow in stats.kruskal for large samples * `#7906 <https://github.com/scipy/scipy/issues/7906>`__: Wrong result from scipy.interpolate.UnivariateSpline.integral... * `#8165 <https://github.com/scipy/scipy/issues/8165>`__: ENH: match functionality of R for hmean * `#8417 <https://github.com/scipy/scipy/issues/8417>`__: optimimze.minimize(method='L-BFGS-B', options={'disp': True})... * `#8535 <https://github.com/scipy/scipy/issues/8535>`__: Strictly increasing requirement in UnivariateSpline * `#8815 <https://github.com/scipy/scipy/issues/8815>`__: [BUG] GMRES: number of iteration is only increased if callback... * `#9207 <https://github.com/scipy/scipy/issues/9207>`__: scipy.linalg.solve_triangular speed after scipy.linalg.lu_factor * `#9275 <https://github.com/scipy/scipy/issues/9275>`__: new feature: adding LOBPCG solver in svds in addition to ARPACK * `#9403 <https://github.com/scipy/scipy/issues/9403>`__: range of truncnorm.logpdf could be extended * `#9429 <https://github.com/scipy/scipy/issues/9429>`__: gaussian_kde not working with numpy matrix * `#9515 <https://github.com/scipy/scipy/issues/9515>`__: ndimage implementation relies on undefined behavior * `#9643 <https://github.com/scipy/scipy/issues/9643>`__: arpack returns singular values in ascending order * `#9669 <https://github.com/scipy/scipy/issues/9669>`__: DOC: matthew-brett/build-openblas has been retired * `#9852 <https://github.com/scipy/scipy/issues/9852>`__: scipy.spatial.ConvexHull exit with code 134, free(): invalid... * `#9902 <https://github.com/scipy/scipy/issues/9902>`__: scipy.stats.truncnorm second moment may be wrong * `#9943 <https://github.com/scipy/scipy/issues/9943>`__: Custom sampling methods in shgo do not work * `#9947 <https://github.com/scipy/scipy/issues/9947>`__: DOC: Incorrect documentation for \`nan_policy='propagate\` in... * `#9994 <https://github.com/scipy/scipy/issues/9994>`__: BUG: sparse: reshape method allows a shape containing an arbitrary... * `#10036 <https://github.com/scipy/scipy/issues/10036>`__: Official Nelder mead tutorial uses xtol instead of xatol, which... * `#10078 <https://github.com/scipy/scipy/issues/10078>`__: possible to get a better error message when objective function... * `#10092 <https://github.com/scipy/scipy/issues/10092>`__: overflow in truncnorm.rvs * `#10121 <https://github.com/scipy/scipy/issues/10121>`__: A little spelling mistake * `#10126 <https://github.com/scipy/scipy/issues/10126>`__: inaccurate std implementation in binned_statistic * `#10161 <https://github.com/scipy/scipy/issues/10161>`__: Error in documentation scipy.special.modstruve * `#10195 <https://github.com/scipy/scipy/issues/10195>`__: Derivative of spline with 'const' extrapolation is also extrapolted... * `#10206 <https://github.com/scipy/scipy/issues/10206>`__: sparse matrices indexing with scipy 1.3 * `#10236 <https://github.com/scipy/scipy/issues/10236>`__: Non-descriptive error on type mismatch for functions of scipy.optimize... * `#10258 <https://github.com/scipy/scipy/issues/10258>`__: LOBPCG convergence failure if guess provided * `#10262 <https://github.com/scipy/scipy/issues/10262>`__: distance matrix lacks dtype checks / warnings * `#10271 <https://github.com/scipy/scipy/issues/10271>`__: BUG: optimize failure on wheels * `#10277 <https://github.com/scipy/scipy/issues/10277>`__: scipy.special.zeta(0) = NAN * `#10292 <https://github.com/scipy/scipy/issues/10292>`__: DOC/REL: Some sections of the release notes are not nested correctly. * `#10300 <https://github.com/scipy/scipy/issues/10300>`__: scipy.stats.rv_continuous.fit throws empty RuntimeError when... * `#10319 <https://github.com/scipy/scipy/issues/10319>`__: events in scipy.integrate.solve_ivp: How do I setup an events... * `#10323 <https://github.com/scipy/scipy/issues/10323>`__: Adding more low-level LAPACK wrappers * `#10360 <https://github.com/scipy/scipy/issues/10360>`__: firwin2 inadvertently modifies input and may result in undefined... * `#10388 <https://github.com/scipy/scipy/issues/10388>`__: BLD: TestHerd::test_hetrd core dumps with Python-dbg * `#10395 <https://github.com/scipy/scipy/issues/10395>`__: Remove warning about output shape of zoom * `#10403 <https://github.com/scipy/scipy/issues/10403>`__: DOC: scipy.signal.resample ignores t parameter * `#10421 <https://github.com/scipy/scipy/issues/10421>`__: Yeo-Johnson power transformation fails with integer input data * `#10422 <https://github.com/scipy/scipy/issues/10422>`__: BUG: scipy.fft does not support multiprocessing * `#10427 <https://github.com/scipy/scipy/issues/10427>`__: ENH: convolve numbers should be updated * `#10444 <https://github.com/scipy/scipy/issues/10444>`__: BUG: scipy.spatial.transform.Rotation.match_vectors returns improper... * `#10488 <https://github.com/scipy/scipy/issues/10488>`__: ENH: DCTs/DSTs for scipy.fft * `#10501 <https://github.com/scipy/scipy/issues/10501>`__: BUG: scipy.spatial.HalfspaceIntersection works incorrectly * `#10514 <https://github.com/scipy/scipy/issues/10514>`__: BUG: cKDTree GIL handling is incorrect * `#10535 <https://github.com/scipy/scipy/issues/10535>`__: TST: master branch CI failures * `#10588 <https://github.com/scipy/scipy/issues/10588>`__: scipy.fft and numpy.fft inconsistency when axes=None and shape... * `#10628 <https://github.com/scipy/scipy/issues/10628>`__: Scipy python>3.6 Windows wheels don't ship msvcp\*.dll * `#10733 <https://github.com/scipy/scipy/issues/10733>`__: DOC/BUG: min_only result does not match documentation * `#10774 <https://github.com/scipy/scipy/issues/10774>`__: min_only=true djisktra infinite loop with duplicate indices * `#10775 <https://github.com/scipy/scipy/issues/10775>`__: UnboundLocalError in Radau when given a NaN * `#10835 <https://github.com/scipy/scipy/issues/10835>`__: io.wavfile.read unnecessarily raises an error for a bad wav header * `#10838 <https://github.com/scipy/scipy/issues/10838>`__: Error in documentation for scipy.linalg.lu_factor * `#10875 <https://github.com/scipy/scipy/issues/10875>`__: DOC: Graphical guides (using TikZ) * `#10880 <https://github.com/scipy/scipy/issues/10880>`__: setting verbose > 2 in minimize with trust-constr method leads... * `#10887 <https://github.com/scipy/scipy/issues/10887>`__: scipy.signal.signaltools._fftconv_faster has incorrect estimates * `#10948 <https://github.com/scipy/scipy/issues/10948>`__: gammainc(0,x) = nan but should be 1, gammaincc(0,x) = nan but... * `#10952 <https://github.com/scipy/scipy/issues/10952>`__: TestQRdelete_F.test_delete_last_p_col test failure * `#10968 <https://github.com/scipy/scipy/issues/10968>`__: API: Change normalized=False to normalize=True in Rotation * `#10987 <https://github.com/scipy/scipy/issues/10987>`__: Memory leak in shgo triangulation * `#10991 <https://github.com/scipy/scipy/issues/10991>`__: Error running openBlas probably missing a step * `#11033 <https://github.com/scipy/scipy/issues/11033>`__: deadlock on osx for python 3.8 * `#11041 <https://github.com/scipy/scipy/issues/11041>`__: Test failure in wheel builds for TestTf2zpk.test_simple * `#11089 <https://github.com/scipy/scipy/issues/11089>`__: Regression in scipy.stats where distribution will not accept loc and scale parameters * `#11100 <https://github.com/scipy/scipy/issues/11100>`__: BUG: multiscale_graphcorr random state seeding and parallel use * `#11121 <https://github.com/scipy/scipy/issues/11121>`__: Calls to `scipy.interpolate.splprep` increase RAM usage. * `#11125 <https://github.com/scipy/scipy/issues/11125>`__: BUG: segfault when slicing a CSR or CSC sparse matrix with slice start index > stop index * `#11198 <https://github.com/scipy/scipy/issues/11198>`__: BUG: sparse eigs (arpack) shift-invert drops the smallest eigenvalue for some k Pull requests for 1.4.0 ------------------------------- * `#4591 <https://github.com/scipy/scipy/pull/4591>`__: BUG, TST: Several issues with scipy.signal.residue * `#6629 <https://github.com/scipy/scipy/pull/6629>`__: ENH: sparse: canonicalize on initialization * `#7076 <https://github.com/scipy/scipy/pull/7076>`__: ENH: add complex wavelet support to scipy.signal.cwt. * `#8681 <https://github.com/scipy/scipy/pull/8681>`__: ENH add generalized inverse Gaussian distribution to scipy.stats * `#9064 <https://github.com/scipy/scipy/pull/9064>`__: BUG/ENH: Added default _transpose into LinearOperator. Fixes... * `#9215 <https://github.com/scipy/scipy/pull/9215>`__: ENH: Rbf interpolation of large multi-dimensional data * `#9311 <https://github.com/scipy/scipy/pull/9311>`__: ENH: Added voigt in scipy.special. * `#9642 <https://github.com/scipy/scipy/pull/9642>`__: ENH: integrate: quad() for vector-valued functions * `#9679 <https://github.com/scipy/scipy/pull/9679>`__: DOC: expand docstring of exponweib distribution * `#9684 <https://github.com/scipy/scipy/pull/9684>`__: TST: add ppc64le ci testing * `#9800 <https://github.com/scipy/scipy/pull/9800>`__: WIP : ENH: Refactored _hungarian.py for speed and added a minimize/maximize… * `#9847 <https://github.com/scipy/scipy/pull/9847>`__: DOC: Change integrate tutorial to use solve_ivp instead of odeint * `#9876 <https://github.com/scipy/scipy/pull/9876>`__: ENH: Use rfft when possible in resampling * `#9998 <https://github.com/scipy/scipy/pull/9998>`__: BUG: Do not remove 1s when calling sparse: reshape method #9994 * `#10002 <https://github.com/scipy/scipy/pull/10002>`__: ENH: adds constraints for differential evolution * `#10098 <https://github.com/scipy/scipy/pull/10098>`__: ENH: integrate: add args argument to solve_ivp. * `#10099 <https://github.com/scipy/scipy/pull/10099>`__: DOC: Add missing docs for linprog unknown_options * `#10104 <https://github.com/scipy/scipy/pull/10104>`__: BUG: Rewrite of stats.truncnorm distribution. * `#10105 <https://github.com/scipy/scipy/pull/10105>`__: MAINT improve efficiency of rvs_ratio_uniforms in scipy.stats * `#10107 <https://github.com/scipy/scipy/pull/10107>`__: TST: dual_annealing set seed * `#10108 <https://github.com/scipy/scipy/pull/10108>`__: ENH: stats: improve kendall_tau cache usage * `#10110 <https://github.com/scipy/scipy/pull/10110>`__: MAINT: _lib: Fix a build warning. * `#10114 <https://github.com/scipy/scipy/pull/10114>`__: FIX: only print bounds when supported by minimizer (shgo) * `#10115 <https://github.com/scipy/scipy/pull/10115>`__: TST: Add a test with an almost singular design matrix for lsq_linear * `#10118 <https://github.com/scipy/scipy/pull/10118>`__: MAINT: fix rdist methods in scipy.stats * `#10119 <https://github.com/scipy/scipy/pull/10119>`__: MAINT: improve rvs of randint in scipy.stats * `#10127 <https://github.com/scipy/scipy/pull/10127>`__: Fix typo in record array field name (spatial-ckdtree-sparse_distance… * `#10130 <https://github.com/scipy/scipy/pull/10130>`__: MAINT: ndimage: Fix some compiler warnings. * `#10131 <https://github.com/scipy/scipy/pull/10131>`__: DOC: Note the solve_ivp args enhancement in the 1.4.0 release... * `#10133 <https://github.com/scipy/scipy/pull/10133>`__: MAINT: add rvs for semicircular in scipy.stats * `#10138 <https://github.com/scipy/scipy/pull/10138>`__: BUG: special: Invalid arguments to ellip_harm can crash Python. * `#10139 <https://github.com/scipy/scipy/pull/10139>`__: MAINT: spatial: Fix some compiler warnings in the file distance_wrap.c. * `#10140 <https://github.com/scipy/scipy/pull/10140>`__: ENH: add handling of NaN in RuntimeWarning except clause * `#10142 <https://github.com/scipy/scipy/pull/10142>`__: DOC: return value of scipy.special.comb * `#10143 <https://github.com/scipy/scipy/pull/10143>`__: MAINT: Loosen linprog tol * `#10152 <https://github.com/scipy/scipy/pull/10152>`__: BUG: Fix custom sampling input for shgo, add unittest * `#10154 <https://github.com/scipy/scipy/pull/10154>`__: MAINT: add moments and improve doc of mielke in scipy.stats * `#10158 <https://github.com/scipy/scipy/pull/10158>`__: Issue #6999: read zlib checksum before checking bytes read. * `#10166 <https://github.com/scipy/scipy/pull/10166>`__: BUG: Correctly handle broadcasted ydata in curve_fit pcov computation. * `#10167 <https://github.com/scipy/scipy/pull/10167>`__: DOC: special: Add missing factor of \`i\` to \`modstruve\` docstring * `#10168 <https://github.com/scipy/scipy/pull/10168>`__: MAINT: stats: Fix an incorrect comment. * `#10169 <https://github.com/scipy/scipy/pull/10169>`__: ENH: optimize: Clarify error when objective function returns... * `#10172 <https://github.com/scipy/scipy/pull/10172>`__: DEV: Run tests in parallel when --parallel flag is passed to... * `#10173 <https://github.com/scipy/scipy/pull/10173>`__: ENH: Implement DOP853 ODE integrator * `#10176 <https://github.com/scipy/scipy/pull/10176>`__: Fixed typo * `#10182 <https://github.com/scipy/scipy/pull/10182>`__: TST: fix test issue for stats.pearsonr * `#10184 <https://github.com/scipy/scipy/pull/10184>`__: MAINT: stats: Simplify zmap and zscore (we can use keepdims now). * `#10191 <https://github.com/scipy/scipy/pull/10191>`__: DOC: fix a formatting issue in the scipy.spatial module docstring. * `#10193 <https://github.com/scipy/scipy/pull/10193>`__: DOC: Updated docstring for optimize.nnls * `#10198 <https://github.com/scipy/scipy/pull/10198>`__: DOC, ENH: special: Make \`hyp2f1\` references more specific * `#10202 <https://github.com/scipy/scipy/pull/10202>`__: DOC: Format DST and DCT definitions as latex equations * `#10207 <https://github.com/scipy/scipy/pull/10207>`__: BUG: Compressed matrix indexing should return a scalar * `#10210 <https://github.com/scipy/scipy/pull/10210>`__: DOC: Update docs for connection='weak' in connected_components * `#10225 <https://github.com/scipy/scipy/pull/10225>`__: DOC: Clarify new interfaces for legacy functions in 'optimize' * `#10231 <https://github.com/scipy/scipy/pull/10231>`__: DOC, MAINT: gpg2 updates to release docs / pavement * `#10235 <https://github.com/scipy/scipy/pull/10235>`__: LICENSE: split license file in standard BSD 3-clause and bundled. * `#10238 <https://github.com/scipy/scipy/pull/10238>`__: ENH: Add new scipy.fft module using pocketfft * `#10243 <https://github.com/scipy/scipy/pull/10243>`__: BUG: fix ARFF reader regression with quoted values. * `#10248 <https://github.com/scipy/scipy/pull/10248>`__: DOC: update README file * `#10255 <https://github.com/scipy/scipy/pull/10255>`__: CI: bump OpenBLAS to match wheels * `#10264 <https://github.com/scipy/scipy/pull/10264>`__: TST: add tests for stats.tvar with unflattened arrays * `#10280 <https://github.com/scipy/scipy/pull/10280>`__: MAINT: stats: Use a constant value for sqrt(2/PI). * `#10286 <https://github.com/scipy/scipy/pull/10286>`__: Development Documentation Overhaul * `#10290 <https://github.com/scipy/scipy/pull/10290>`__: MAINT: Deprecate NumPy functions in SciPy root * `#10291 <https://github.com/scipy/scipy/pull/10291>`__: FIX: Avoid importing xdist when checking for availability * `#10295 <https://github.com/scipy/scipy/pull/10295>`__: Disable deprecated Numpy API in __odrpack.c * `#10296 <https://github.com/scipy/scipy/pull/10296>`__: ENH: C++ extension for linear assignment problem * `#10298 <https://github.com/scipy/scipy/pull/10298>`__: ENH: Made pade function work with complex inputs * `#10301 <https://github.com/scipy/scipy/pull/10301>`__: DOC: Fix critical value significance levels in stats.anderson_ksamp * `#10307 <https://github.com/scipy/scipy/pull/10307>`__: Minkowski Distance Type Fix (issue #10262) * `#10309 <https://github.com/scipy/scipy/pull/10309>`__: BUG: Pass jac=None directly to lsoda * `#10310 <https://github.com/scipy/scipy/pull/10310>`__: BUG: interpolate: UnivariateSpline.derivative.ext is 'zeros'... * `#10312 <https://github.com/scipy/scipy/pull/10312>`__: FIX: Fixing a typo in a comment * `#10314 <https://github.com/scipy/scipy/pull/10314>`__: scipy.spatial enhancement request * `#10315 <https://github.com/scipy/scipy/pull/10315>`__: DOC: Update integration tutorial to solve_ivp * `#10318 <https://github.com/scipy/scipy/pull/10318>`__: DOC: update the example for PPoly.solve * `#10333 <https://github.com/scipy/scipy/pull/10333>`__: TST: add tests for stats.tvar with unflattened arrays * `#10334 <https://github.com/scipy/scipy/pull/10334>`__: MAINT: special: Remove deprecated \`hyp2f0\`, \`hyp1f2\`, and... * `#10336 <https://github.com/scipy/scipy/pull/10336>`__: BUG: linalg/interpolative: fix interp_decomp modifying input * `#10341 <https://github.com/scipy/scipy/pull/10341>`__: BUG: sparse.linalg/gmres: deprecate effect of callback on semantics... * `#10344 <https://github.com/scipy/scipy/pull/10344>`__: DOC: improve wording of mathematical formulation * `#10345 <https://github.com/scipy/scipy/pull/10345>`__: ENH: Tiled QR wrappers for scipy.linalg.lapack * `#10350 <https://github.com/scipy/scipy/pull/10350>`__: MAINT: linalg: Use the new fft subpackage in linalg.dft test... * `#10351 <https://github.com/scipy/scipy/pull/10351>`__: BUG: Fix unstable standard deviation calculation in histogram * `#10353 <https://github.com/scipy/scipy/pull/10353>`__: Bug: interpolate.NearestNDInterpolator (issue #10352) * `#10357 <https://github.com/scipy/scipy/pull/10357>`__: DOC: linalg: Refer to scipy.fft.fft (not fftpack) in the dft... * `#10359 <https://github.com/scipy/scipy/pull/10359>`__: DOC: Update roadmap now scipy.fft has been merged * `#10361 <https://github.com/scipy/scipy/pull/10361>`__: ENH: Prefer scipy.fft to scipy.fftpack in scipy.signal * `#10371 <https://github.com/scipy/scipy/pull/10371>`__: DOC: Tweaks to fft documentation * `#10372 <https://github.com/scipy/scipy/pull/10372>`__: DOC: Fix typos * `#10377 <https://github.com/scipy/scipy/pull/10377>`__: TST, MAINT: adjustments for pytest 5.0 * `#10378 <https://github.com/scipy/scipy/pull/10378>`__: ENH: _lib: allow new np.random.Generator in check_random_state * `#10379 <https://github.com/scipy/scipy/pull/10379>`__: BUG: sparse: set writeability to be forward-compatible with numpy>=1.17 * `#10381 <https://github.com/scipy/scipy/pull/10381>`__: BUG: Fixes gh-7491, pdf at x=0 of fisk/burr/burr12/f distributions. * `#10387 <https://github.com/scipy/scipy/pull/10387>`__: ENH: optimize/bfgs: don't evaluate twice at initial point for... * `#10392 <https://github.com/scipy/scipy/pull/10392>`__: [DOC] Add an example for _binned_statistic_dd * `#10396 <https://github.com/scipy/scipy/pull/10396>`__: Remove warning about output shape of zoom * `#10397 <https://github.com/scipy/scipy/pull/10397>`__: ENH: Add check_finite to sp.linalg.norm * `#10399 <https://github.com/scipy/scipy/pull/10399>`__: ENH: Add __round__ method to sparse matrix * `#10407 <https://github.com/scipy/scipy/pull/10407>`__: MAINT: drop pybind11 from install_requires, it's only build-time... * `#10408 <https://github.com/scipy/scipy/pull/10408>`__: TST: use pytest.raises, not numpy assert_raises * `#10409 <https://github.com/scipy/scipy/pull/10409>`__: CI: uninstall nose on Travis * `#10410 <https://github.com/scipy/scipy/pull/10410>`__: [ENH] ncx2 dispatch to chi2 when nc=0 * `#10411 <https://github.com/scipy/scipy/pull/10411>`__: TST: optimize: test should use assert_allclose for fp comparisons * `#10414 <https://github.com/scipy/scipy/pull/10414>`__: DOC: add pybind11 to the other part of quickstart guides * `#10417 <https://github.com/scipy/scipy/pull/10417>`__: DOC: special: don't mark non-ufuncs with a \`[+]\` * `#10423 <https://github.com/scipy/scipy/pull/10423>`__: FIX: Use pybind11::isinstace to check array dtypes * `#10424 <https://github.com/scipy/scipy/pull/10424>`__: DOC: add doctest example for binary data for ttest_ind_from_stats * `#10425 <https://github.com/scipy/scipy/pull/10425>`__: ENH: Add missing Hermitian transforms to scipy.fft * `#10426 <https://github.com/scipy/scipy/pull/10426>`__: MAINT: Fix doc build bugs * `#10431 <https://github.com/scipy/scipy/pull/10431>`__: Update numpy version for AIX * `#10433 <https://github.com/scipy/scipy/pull/10433>`__: MAINT: Minor fixes for the stats * `#10434 <https://github.com/scipy/scipy/pull/10434>`__: BUG: special: make \`ndtri\` return NaN outside domain of definition * `#10435 <https://github.com/scipy/scipy/pull/10435>`__: BUG: Allow integer input data in scipy.stats.yeojohnson * `#10438 <https://github.com/scipy/scipy/pull/10438>`__: [DOC] Add example for kurtosis * `#10440 <https://github.com/scipy/scipy/pull/10440>`__: ENH: special: make \`ellipk\` a ufunc * `#10443 <https://github.com/scipy/scipy/pull/10443>`__: MAINT: ndimage: malloc fail check * `#10447 <https://github.com/scipy/scipy/pull/10447>`__: BLD: Divert output from test compiles into a temporary directory * `#10451 <https://github.com/scipy/scipy/pull/10451>`__: MAINT: signal: malloc fail check * `#10455 <https://github.com/scipy/scipy/pull/10455>`__: BUG: special: fix values of \`hyperu\` for negative \`x\` * `#10456 <https://github.com/scipy/scipy/pull/10456>`__: DOC: Added comment clarifying the call for dcsrch.f in lbfgsb.f * `#10457 <https://github.com/scipy/scipy/pull/10457>`__: BUG: Allow ckdtree to accept empty data input * `#10459 <https://github.com/scipy/scipy/pull/10459>`__: BUG:TST: Compute lwork safely * `#10460 <https://github.com/scipy/scipy/pull/10460>`__: [DOC] Add example to entropy * `#10461 <https://github.com/scipy/scipy/pull/10461>`__: DOC: Quickstart Guide updates * `#10462 <https://github.com/scipy/scipy/pull/10462>`__: TST: special: only show max atol/rtol for test points that failed * `#10465 <https://github.com/scipy/scipy/pull/10465>`__: BUG: Correctly align fft inputs * `#10467 <https://github.com/scipy/scipy/pull/10467>`__: ENH: lower-memory duplicate generator checking in spatial.SphericalVoronoi * `#10470 <https://github.com/scipy/scipy/pull/10470>`__: ENH: Normalise the inverse DCT/DST in scipy.fft * `#10472 <https://github.com/scipy/scipy/pull/10472>`__: BENCH: adjust timeout for slow setup_cache * `#10475 <https://github.com/scipy/scipy/pull/10475>`__: CI: include python debug for Travis-ci * `#10476 <https://github.com/scipy/scipy/pull/10476>`__: TST: special: use \`__tracebackhide__\` to get better error messages * `#10477 <https://github.com/scipy/scipy/pull/10477>`__: ENH: faster region building in spatial.SphericalVoronoi * `#10479 <https://github.com/scipy/scipy/pull/10479>`__: BUG: stats: Fix a few issues with the distributions' fit method. * `#10480 <https://github.com/scipy/scipy/pull/10480>`__: Add RuntimeError in _distn_infrastructure.py in fit() method * `#10481 <https://github.com/scipy/scipy/pull/10481>`__: BENCH, MAINT: wheel_cache_size has been renamed build_cache_size * `#10494 <https://github.com/scipy/scipy/pull/10494>`__: ENH: faster circumcenter calculation in spatial.SphericalVoronoi * `#10500 <https://github.com/scipy/scipy/pull/10500>`__: Splrep _curfit_cache global variable bugfix * `#10503 <https://github.com/scipy/scipy/pull/10503>`__: BUG: spatial/qhull: get HalfspaceIntersection.dual_points from... * `#10506 <https://github.com/scipy/scipy/pull/10506>`__: DOC: interp2d, note nearest neighbor extrapolation * `#10507 <https://github.com/scipy/scipy/pull/10507>`__: MAINT: Remove fortran fftpack library in favour of pypocketfft * `#10508 <https://github.com/scipy/scipy/pull/10508>`__: TST: fix a bug in the circular import test. * `#10509 <https://github.com/scipy/scipy/pull/10509>`__: MAINT: Set up _build_utils as subpackage * `#10516 <https://github.com/scipy/scipy/pull/10516>`__: BUG: Use nogil contexts in cKDTree * `#10517 <https://github.com/scipy/scipy/pull/10517>`__: ENH: fftconvolve should not FFT broadcastable axes * `#10518 <https://github.com/scipy/scipy/pull/10518>`__: ENH: Speedup fftconvolve * `#10520 <https://github.com/scipy/scipy/pull/10520>`__: DOC: Proper .rst formatting for deprecated features and Backwards... * `#10523 <https://github.com/scipy/scipy/pull/10523>`__: DOC: Improve scipy.signal.resample documentation * `#10524 <https://github.com/scipy/scipy/pull/10524>`__: ENH: Add MGC to scipy.stats * `#10525 <https://github.com/scipy/scipy/pull/10525>`__: [ENH] ncx2.ppf dispatch to chi2 when nc=0 * `#10526 <https://github.com/scipy/scipy/pull/10526>`__: DOC: clarify laplacian normalization * `#10528 <https://github.com/scipy/scipy/pull/10528>`__: API: Rename scipy.fft DCT/DST shape argument to s * `#10531 <https://github.com/scipy/scipy/pull/10531>`__: BUG: fixed improper rotations in spatial.transform.rotation.match_vectors * `#10533 <https://github.com/scipy/scipy/pull/10533>`__: [DOC] Add example for winsorize function * `#10539 <https://github.com/scipy/scipy/pull/10539>`__: MAINT: special: don't register \`i0\` with \`numpy.dual\` * `#10540 <https://github.com/scipy/scipy/pull/10540>`__: MAINT: Fix Travis and Circle * `#10542 <https://github.com/scipy/scipy/pull/10542>`__: MAINT: interpolate: use cython_lapack * `#10547 <https://github.com/scipy/scipy/pull/10547>`__: Feature request. Add furthest site Voronoi diagrams to scipy.spatial.plotutils. * `#10549 <https://github.com/scipy/scipy/pull/10549>`__: [BUG] Fix bug in trimr when inclusive=False * `#10552 <https://github.com/scipy/scipy/pull/10552>`__: add scipy.signal.upfirdn signal extension modes * `#10555 <https://github.com/scipy/scipy/pull/10555>`__: MAINT: special: move \`c_misc\` into Cephes * `#10556 <https://github.com/scipy/scipy/pull/10556>`__: [DOC] Add example for trima * `#10562 <https://github.com/scipy/scipy/pull/10562>`__: [DOC] Fix triple string fo trimmed so that __doc__ can show... * `#10563 <https://github.com/scipy/scipy/pull/10563>`__: improve least_squares error msg for mismatched shape * `#10564 <https://github.com/scipy/scipy/pull/10564>`__: ENH: linalg: memoize get_lapack/blas_funcs to speed it up * `#10566 <https://github.com/scipy/scipy/pull/10566>`__: ENH: add implementation of solver for the maximum flow problem * `#10567 <https://github.com/scipy/scipy/pull/10567>`__: BUG: spatial: use c++11 construct for getting start of vector... * `#10568 <https://github.com/scipy/scipy/pull/10568>`__: DOC: special: small tweaks to the \`zetac\` docstring * `#10571 <https://github.com/scipy/scipy/pull/10571>`__: [ENH] Gaussian_kde can accept matrix dataset * `#10574 <https://github.com/scipy/scipy/pull/10574>`__: ENH: linalg: speed up _compute_lwork by avoiding numpy constructs * `#10582 <https://github.com/scipy/scipy/pull/10582>`__: Fix typos with typos in bundled libraries reverted * `#10583 <https://github.com/scipy/scipy/pull/10583>`__: ENH: special: add the analytic continuation of Riemann zeta * `#10584 <https://github.com/scipy/scipy/pull/10584>`__: MAINT: special: clean up \`special.__all__\` * `#10586 <https://github.com/scipy/scipy/pull/10586>`__: BUG: multidimensional scipy.fft functions should accept 's' rather... * `#10587 <https://github.com/scipy/scipy/pull/10587>`__: BUG: integrate/lsoda: never abort run, set error istate instead * `#10594 <https://github.com/scipy/scipy/pull/10594>`__: API: Replicate numpy's fftn behaviour when s is given but not... * `#10599 <https://github.com/scipy/scipy/pull/10599>`__: DOC: dev: update documentation vs. github pull request workflow... * `#10603 <https://github.com/scipy/scipy/pull/10603>`__: MAINT: installer scripts removed * `#10604 <https://github.com/scipy/scipy/pull/10604>`__: MAINT: Change c\*np.ones(...) to np.full(..., c, ...) in many... * `#10608 <https://github.com/scipy/scipy/pull/10608>`__: Univariate splines should require x to be strictly increasing... * `#10613 <https://github.com/scipy/scipy/pull/10613>`__: ENH: Add seed option for gaussian_kde.resample * `#10614 <https://github.com/scipy/scipy/pull/10614>`__: ENH: Add parallel computation to scipy.fft * `#10615 <https://github.com/scipy/scipy/pull/10615>`__: MAINT: interpolate: remove unused header file * `#10616 <https://github.com/scipy/scipy/pull/10616>`__: MAINT: Clean up 32-bit platform xfail markers * `#10618 <https://github.com/scipy/scipy/pull/10618>`__: BENCH: Added 'trust-constr' to minimize benchmarks * `#10621 <https://github.com/scipy/scipy/pull/10621>`__: [MRG] multiple stability updates in lobpcg * `#10622 <https://github.com/scipy/scipy/pull/10622>`__: MAINT: forward port 1.3.1 release notes * `#10624 <https://github.com/scipy/scipy/pull/10624>`__: DOC: stats: Fix spelling of 'support'. * `#10627 <https://github.com/scipy/scipy/pull/10627>`__: DOC: stats: Add references for the alpha distribution. * `#10629 <https://github.com/scipy/scipy/pull/10629>`__: MAINT: special: avoid overflow longer in \`zeta\` for negative... * `#10630 <https://github.com/scipy/scipy/pull/10630>`__: TST: GH10271, relax test assertion, fixes #10271 * `#10631 <https://github.com/scipy/scipy/pull/10631>`__: DOC: nelder-mean uses xatol fixes #10036 * `#10633 <https://github.com/scipy/scipy/pull/10633>`__: BUG: interpolate: integral(a, b) should be zero when both limits... * `#10635 <https://github.com/scipy/scipy/pull/10635>`__: DOC: special: complete hypergeometric functions documentation * `#10636 <https://github.com/scipy/scipy/pull/10636>`__: BUG: special: use series for \`hyp1f1\` when it converges rapidly * `#10641 <https://github.com/scipy/scipy/pull/10641>`__: ENH: allow matching of general bipartite graphs * `#10643 <https://github.com/scipy/scipy/pull/10643>`__: ENH: scipy.sparse.linalg.spsolve triangular unit diagonal * `#10650 <https://github.com/scipy/scipy/pull/10650>`__: ENH: Cythonize sosfilt * `#10654 <https://github.com/scipy/scipy/pull/10654>`__: DOC: Vertical alignment of table entries * `#10655 <https://github.com/scipy/scipy/pull/10655>`__: ENH: Dockerfile for scipy development * `#10660 <https://github.com/scipy/scipy/pull/10660>`__: TST: clean up tests for rvs in scipy.stats * `#10664 <https://github.com/scipy/scipy/pull/10664>`__: Throw error on non-finite input for binned_statistic_dd() * `#10665 <https://github.com/scipy/scipy/pull/10665>`__: DOC: special: improve the docstrings for \`gamma\` and \`gammasgn\` * `#10669 <https://github.com/scipy/scipy/pull/10669>`__: TST: Update scipy.fft real transform tests * `#10670 <https://github.com/scipy/scipy/pull/10670>`__: DOC: Clarify docs and error messages for scipy.signal.butter * `#10672 <https://github.com/scipy/scipy/pull/10672>`__: ENH: return solution attribute when using events in solve_ivp * `#10675 <https://github.com/scipy/scipy/pull/10675>`__: MAINT: special: add an explicit NaN check for \`iv\` arguments * `#10679 <https://github.com/scipy/scipy/pull/10679>`__: DOC: special: Add documentation for \`beta\` function * `#10681 <https://github.com/scipy/scipy/pull/10681>`__: TST: sparse.linalg: fix arnoldi test seed * `#10682 <https://github.com/scipy/scipy/pull/10682>`__: DOC: special: Add documentation for \`betainc\` function * `#10684 <https://github.com/scipy/scipy/pull/10684>`__: TST: special: require Mpmath 1.1.0 for \`test_hyperu_around_0\` * `#10686 <https://github.com/scipy/scipy/pull/10686>`__: FIX: sphinx isattributedescriptor is not available in sphinx... * `#10687 <https://github.com/scipy/scipy/pull/10687>`__: DOC: added Docker quickstart guide by @andyfaff * `#10689 <https://github.com/scipy/scipy/pull/10689>`__: DOC: special: clarify format of parameters/returns sections for... * `#10690 <https://github.com/scipy/scipy/pull/10690>`__: DOC: special: improve docstrings of incomplete gamma functions * `#10692 <https://github.com/scipy/scipy/pull/10692>`__: ENH: higher-dimensional input in \`spatial.SphericalVoronoi\` * `#10694 <https://github.com/scipy/scipy/pull/10694>`__: ENH: ScalarFunction.fun_and_grad * `#10698 <https://github.com/scipy/scipy/pull/10698>`__: DOC: special: Add documentation for \`betaincinv\` * `#10699 <https://github.com/scipy/scipy/pull/10699>`__: MAINT: remove time print lbfgsb fixes #8417 * `#10701 <https://github.com/scipy/scipy/pull/10701>`__: TST, MAINT: bump OpenBLAS to 0.3.7 stable * `#10702 <https://github.com/scipy/scipy/pull/10702>`__: DOC: clarify iterations consume multiple function calls * `#10703 <https://github.com/scipy/scipy/pull/10703>`__: DOC: iprint doc lbfgsb closes #5482 * `#10708 <https://github.com/scipy/scipy/pull/10708>`__: TST: test suggested in gh1758 * `#10710 <https://github.com/scipy/scipy/pull/10710>`__: ENH: Added nan_policy to circ functions in \`stats\` * `#10712 <https://github.com/scipy/scipy/pull/10712>`__: ENH: add axis parameter to stats.entropy * `#10714 <https://github.com/scipy/scipy/pull/10714>`__: DOC: Formatting fix rv_continuous.expect docs * `#10715 <https://github.com/scipy/scipy/pull/10715>`__: DOC: BLD: update doc Makefile for python version; add scipy version... * `#10717 <https://github.com/scipy/scipy/pull/10717>`__: MAINT: modernize doc/Makefile * `#10719 <https://github.com/scipy/scipy/pull/10719>`__: Enable setting minres initial vector * `#10720 <https://github.com/scipy/scipy/pull/10720>`__: DOC: silence random warning in doc build for \`stats.binned_statistic_dd\` * `#10724 <https://github.com/scipy/scipy/pull/10724>`__: DEV: Add doc option to runtests.py * `#10728 <https://github.com/scipy/scipy/pull/10728>`__: MAINT: get rid of gramA, gramB text files that lobpcg tests leave... * `#10732 <https://github.com/scipy/scipy/pull/10732>`__: DOC: add min_only to docstring for Dijkstra's algorithm * `#10734 <https://github.com/scipy/scipy/pull/10734>`__: DOC: spell out difference between source and target in shortest... * `#10735 <https://github.com/scipy/scipy/pull/10735>`__: Fix for Python 4 * `#10739 <https://github.com/scipy/scipy/pull/10739>`__: BUG: optimize/slsqp: deal with singular BFGS update * `#10741 <https://github.com/scipy/scipy/pull/10741>`__: ENH: LAPACK wrappers for ?geequ, ?geequb, ?syequb, ?heequb * `#10742 <https://github.com/scipy/scipy/pull/10742>`__: DOC: special: add to the docstring of \`gammaln\` * `#10743 <https://github.com/scipy/scipy/pull/10743>`__: ENH: special: add a real dispatch for \`wrightomega\` * `#10746 <https://github.com/scipy/scipy/pull/10746>`__: MAINT: Fix typos in comments, docs and test name * `#10747 <https://github.com/scipy/scipy/pull/10747>`__: Remove spurious quotes * `#10750 <https://github.com/scipy/scipy/pull/10750>`__: MAINT: make cython code more precise * `#10751 <https://github.com/scipy/scipy/pull/10751>`__: MAINT: Check that scipy.linalg.lapack functions are documented * `#10752 <https://github.com/scipy/scipy/pull/10752>`__: MAINT: special: use \`sf_error\` in Cephes * `#10755 <https://github.com/scipy/scipy/pull/10755>`__: DOC: cluster: Add 'See Also' and 'Examples' for kmeans2. * `#10763 <https://github.com/scipy/scipy/pull/10763>`__: MAINT: list of minimize methods * `#10768 <https://github.com/scipy/scipy/pull/10768>`__: BUG: Fix corner case for sos2zpk * `#10773 <https://github.com/scipy/scipy/pull/10773>`__: Fix error type for complex input to scipy.fftpack.rfft and irfft * `#10776 <https://github.com/scipy/scipy/pull/10776>`__: ENH: handle geodesic input in \`spatial.SphericalVoronoi\` * `#10777 <https://github.com/scipy/scipy/pull/10777>`__: MAINT: minimizer-->custom should handle the kinds of bounds/constrain…... * `#10781 <https://github.com/scipy/scipy/pull/10781>`__: ENH: solve_triangular C order improvement * `#10787 <https://github.com/scipy/scipy/pull/10787>`__: Fix behavior of \`exp1\` on branch cut and add docstring * `#10789 <https://github.com/scipy/scipy/pull/10789>`__: DOC: special: add parameters/returns doc sections for erfc/erfcx/erfi * `#10790 <https://github.com/scipy/scipy/pull/10790>`__: Travis CI: sudo is deprecated and Xenial is default distro * `#10792 <https://github.com/scipy/scipy/pull/10792>`__: DOC: special: add full docstring for \`expi\` * `#10799 <https://github.com/scipy/scipy/pull/10799>`__: DOC: special: add a complete docstring for \`expn\` * `#10800 <https://github.com/scipy/scipy/pull/10800>`__: Docs edits (GSoD) * `#10802 <https://github.com/scipy/scipy/pull/10802>`__: BUG: fix UnboundLocalError in Radau (scipy#10775) * `#10804 <https://github.com/scipy/scipy/pull/10804>`__: ENH: Speed up next_fast_len with LRU cache * `#10805 <https://github.com/scipy/scipy/pull/10805>`__: DOC: Fix unbalanced quotes in signal.place_poles * `#10809 <https://github.com/scipy/scipy/pull/10809>`__: ENH: Speed up next_fast_len * `#10810 <https://github.com/scipy/scipy/pull/10810>`__: ENH: Raise catchable exceptions for bad Fortran files * `#10811 <https://github.com/scipy/scipy/pull/10811>`__: MAINT: optimize: Remove extra variable from _remove_redundancy_dense * `#10813 <https://github.com/scipy/scipy/pull/10813>`__: MAINT: special: Remove unused variables from _kolmogi and _smirnovi * `#10815 <https://github.com/scipy/scipy/pull/10815>`__: DOC, API: scipy.stats.reciprocal is "log-uniform" * `#10816 <https://github.com/scipy/scipy/pull/10816>`__: MAINT: special: remove deprecated \`bessel_diff_formula\` * `#10817 <https://github.com/scipy/scipy/pull/10817>`__: DOC: special: complete the docstring for \`fresnel\` * `#10820 <https://github.com/scipy/scipy/pull/10820>`__: Fixed compiler_helper.py to allow compilation with ICC on Linux * `#10823 <https://github.com/scipy/scipy/pull/10823>`__: DOC: updated reference guide text for consistency in writing... * `#10825 <https://github.com/scipy/scipy/pull/10825>`__: MAINT: special: change some features of the Voigt function * `#10828 <https://github.com/scipy/scipy/pull/10828>`__: MAINT: integrate: Remove unused variable from init_callback * `#10830 <https://github.com/scipy/scipy/pull/10830>`__: Adding LOBPCG solver in svds in addition to ARPACK * `#10837 <https://github.com/scipy/scipy/pull/10837>`__: WIP: ENH: reduction function for \`spatial.tranform.Rotation\`... * `#10843 <https://github.com/scipy/scipy/pull/10843>`__: ENH: Adding optional parameter to stats.zscores to allow for... * `#10845 <https://github.com/scipy/scipy/pull/10845>`__: Rebase kruskal fix * `#10847 <https://github.com/scipy/scipy/pull/10847>`__: remove redundant __getitem__ from scipy.sparse.lil * `#10848 <https://github.com/scipy/scipy/pull/10848>`__: Better handling of empty (not missing) docstrings * `#10849 <https://github.com/scipy/scipy/pull/10849>`__: ENH: implement rmatmat for LinearOperator * `#10850 <https://github.com/scipy/scipy/pull/10850>`__: MAINT : Refactoring lil List of Lists * `#10851 <https://github.com/scipy/scipy/pull/10851>`__: DOC: add a generative art example to the scipy.spatial tutorial. * `#10852 <https://github.com/scipy/scipy/pull/10852>`__: DOC: linalg: fixed gh-10838 unused imports in example deleted * `#10854 <https://github.com/scipy/scipy/pull/10854>`__: DOC: special: add a full docstring for \`pdtr\` * `#10861 <https://github.com/scipy/scipy/pull/10861>`__: ENH: option to reuse binnumbers in stats.binned_statistic_dd * `#10863 <https://github.com/scipy/scipy/pull/10863>`__: DOC: partial standardization and validation of scipy.stats reference... * `#10865 <https://github.com/scipy/scipy/pull/10865>`__: BUG: special: fix incomplete gamma functions for infinite \`a\` * `#10866 <https://github.com/scipy/scipy/pull/10866>`__: ENH: calculation of mean in spatial.transform.Rotation * `#10867 <https://github.com/scipy/scipy/pull/10867>`__: MAINT: Also store latex directory * `#10869 <https://github.com/scipy/scipy/pull/10869>`__: ENH: Implement overlap-add convolution * `#10870 <https://github.com/scipy/scipy/pull/10870>`__: ENH: Do not raise EOF error if wavfile data read * `#10876 <https://github.com/scipy/scipy/pull/10876>`__: ENH: Add beta-binomial distribution to scipy.stats * `#10878 <https://github.com/scipy/scipy/pull/10878>`__: MAINT: Update R project URL * `#10883 <https://github.com/scipy/scipy/pull/10883>`__: MAINT: (ndimage) More robust check for output being a numpy dtype * `#10884 <https://github.com/scipy/scipy/pull/10884>`__: DOC: Added instructions on adding a new distribution to scipy.stats. * `#10885 <https://github.com/scipy/scipy/pull/10885>`__: [BUG] fix lobpcg with maxiter=None results in Exception * `#10899 <https://github.com/scipy/scipy/pull/10899>`__: ENH: Match R functionality for hmean * `#10900 <https://github.com/scipy/scipy/pull/10900>`__: MAINT: stats: Use keepdims to simplify a few lines in power_divergence. * `#10901 <https://github.com/scipy/scipy/pull/10901>`__: ENH: sparse/linalg: support pydata/sparse matrices * `#10907 <https://github.com/scipy/scipy/pull/10907>`__: Check whether \`maxiter\` is integer * `#10912 <https://github.com/scipy/scipy/pull/10912>`__: ENH: warn user that quad() ignores \`points=...\` when \`weight=...\`... * `#10918 <https://github.com/scipy/scipy/pull/10918>`__: CI: fix Travis CI py3.8 build * `#10920 <https://github.com/scipy/scipy/pull/10920>`__: MAINT: Update constants to codata 2018 values (second try) * `#10921 <https://github.com/scipy/scipy/pull/10921>`__: ENH: scipy.sparse.lil: tocsr accelerated * `#10924 <https://github.com/scipy/scipy/pull/10924>`__: BUG: Forbid passing 'args' as kwarg in scipy.optimize.curve_fit * `#10928 <https://github.com/scipy/scipy/pull/10928>`__: DOC: Add examples to io.wavfile docstrings * `#10934 <https://github.com/scipy/scipy/pull/10934>`__: typo fix * `#10935 <https://github.com/scipy/scipy/pull/10935>`__: BUG: Avoid undefined behaviour on float to unsigned conversion * `#10936 <https://github.com/scipy/scipy/pull/10936>`__: DOC: Added missing example to stats.mstats.variation * `#10939 <https://github.com/scipy/scipy/pull/10939>`__: ENH: scipy.sparse.lil: tocsr accelerated depending on density * `#10946 <https://github.com/scipy/scipy/pull/10946>`__: BUG: setting verbose > 2 in minimize with trust-constr method... * `#10947 <https://github.com/scipy/scipy/pull/10947>`__: DOC: special: small improvements to the \`poch\` docstring * `#10949 <https://github.com/scipy/scipy/pull/10949>`__: BUG: fix return type of erlang_gen._argcheck * `#10951 <https://github.com/scipy/scipy/pull/10951>`__: DOC: fixed Ricker wavelet formula * `#10954 <https://github.com/scipy/scipy/pull/10954>`__: BUG: special: fix \`factorial\` return type for 0-d inputs * `#10955 <https://github.com/scipy/scipy/pull/10955>`__: MAINT: Relax the assert_unitary atol value * `#10956 <https://github.com/scipy/scipy/pull/10956>`__: WIP: make pdtr(int, double) be pdtr(double, double) * `#10957 <https://github.com/scipy/scipy/pull/10957>`__: BUG: Ensure full binary compatibility of long double test data * `#10964 <https://github.com/scipy/scipy/pull/10964>`__: ENH: Make Slerp callable with a scalar argument * `#10972 <https://github.com/scipy/scipy/pull/10972>`__: BUG: Handle complex gains in zpk2sos * `#10975 <https://github.com/scipy/scipy/pull/10975>`__: TST: skip test_kendalltau ppc64le * `#10978 <https://github.com/scipy/scipy/pull/10978>`__: BUG: boxcox data dimension and constancy check #5112 * `#10979 <https://github.com/scipy/scipy/pull/10979>`__: API: Rename dcm to (rotation) matrix in Rotation class * `#10981 <https://github.com/scipy/scipy/pull/10981>`__: MAINT: add support for a==0 and x>0 edge case to igam and igamc * `#10986 <https://github.com/scipy/scipy/pull/10986>`__: MAINT: Remove direct imports from numpy in signaltools.py * `#10988 <https://github.com/scipy/scipy/pull/10988>`__: BUG: signal: fixed issue #10360 * `#10989 <https://github.com/scipy/scipy/pull/10989>`__: FIX binned_statistic_dd Mac wheel test fails * `#10990 <https://github.com/scipy/scipy/pull/10990>`__: BUG: Fix memory leak in shgo triangulation * `#10992 <https://github.com/scipy/scipy/pull/10992>`__: TST: Relax tolerance in upfirdn test_modes * `#10993 <https://github.com/scipy/scipy/pull/10993>`__: TST: bump tolerance in optimize tests * `#10997 <https://github.com/scipy/scipy/pull/10997>`__: MAINT: Rework residue and residuez * `#11001 <https://github.com/scipy/scipy/pull/11001>`__: DOC: Updated Windows build tutorial * `#11004 <https://github.com/scipy/scipy/pull/11004>`__: BUG: integrate/quad_vec: fix several bugs in quad_vec * `#11005 <https://github.com/scipy/scipy/pull/11005>`__: TST: add Python 3.8 Win CI * `#11006 <https://github.com/scipy/scipy/pull/11006>`__: DOC: special: add a reference for \`kl_div\` * `#11012 <https://github.com/scipy/scipy/pull/11012>`__: MAINT: Rework invres and invresz * `#11015 <https://github.com/scipy/scipy/pull/11015>`__: DOC: special: add references for \`rel_entr\` * `#11017 <https://github.com/scipy/scipy/pull/11017>`__: DOC: numpydoc validation of morestats.py * `#11018 <https://github.com/scipy/scipy/pull/11018>`__: MAINT: Filter unrelated warning * `#11031 <https://github.com/scipy/scipy/pull/11031>`__: MAINT: update choose_conv_method for pocketfft implementation * `#11034 <https://github.com/scipy/scipy/pull/11034>`__: MAINT: TST: Skip tests with multiprocessing that use "spawn"... * `#11036 <https://github.com/scipy/scipy/pull/11036>`__: DOC: update doc/README with some more useful content. * `#11037 <https://github.com/scipy/scipy/pull/11037>`__: DOC: special: add a complete docstring for \`rgamma\` * `#11038 <https://github.com/scipy/scipy/pull/11038>`__: DOC: special: add a reference for the polygamma function * `#11042 <https://github.com/scipy/scipy/pull/11042>`__: TST: fix tf2zpk test failure due to incorrect complex sorting. * `#11044 <https://github.com/scipy/scipy/pull/11044>`__: MAINT: choose_conv_method can choose fftconvolution for longcomplex * `#11046 <https://github.com/scipy/scipy/pull/11046>`__: TST: Reduce tolerance for ppc64le with reference lapack * `#11048 <https://github.com/scipy/scipy/pull/11048>`__: DOC: special: add reference for orthogonal polynomial functions * `#11049 <https://github.com/scipy/scipy/pull/11049>`__: MAINT: proper random number initialization and readability fix * `#11051 <https://github.com/scipy/scipy/pull/11051>`__: MAINT: pep8 cleanup * `#11054 <https://github.com/scipy/scipy/pull/11054>`__: TST: bump test precision for dual_annealing SLSQP test * `#11055 <https://github.com/scipy/scipy/pull/11055>`__: DOC: special: add a reference for \`zeta\` * `#11056 <https://github.com/scipy/scipy/pull/11056>`__: API: Deprecated normalized keyword in Rotation * `#11065 <https://github.com/scipy/scipy/pull/11065>`__: DOC: Ubuntu Development Environment Quickstart should not modify... * `#11066 <https://github.com/scipy/scipy/pull/11066>`__: BUG: skip deprecation for numpy top-level types * `#11067 <https://github.com/scipy/scipy/pull/11067>`__: DOC: updated documentation for consistency in writing style * `#11070 <https://github.com/scipy/scipy/pull/11070>`__: DOC: Amendment to Ubuntu Development Environment Quickstart should... * `#11073 <https://github.com/scipy/scipy/pull/11073>`__: DOC: fix 1.4.0 release notes * `#11081 <https://github.com/scipy/scipy/pull/11081>`__: API: Replace Rotation.match_vectors with align_vectors * `#11083 <https://github.com/scipy/scipy/pull/11083>`__: DOC: more 1.4.0 release note fixes * `#11092 <https://github.com/scipy/scipy/pull/11092>`__: BUG: stats: fix freezing of some distributions * `#11096 <https://github.com/scipy/scipy/pull/11096>`__: BUG: scipy.sparse.csgraph: fixed issue #10774 * `#11124 <https://github.com/scipy/scipy/pull/11124>`__: fix Cython warnings related to _stats.pyx * `#11126 <https://github.com/scipy/scipy/pull/11126>`__: BUG: interpolate/fitpack: fix memory leak in splprep * `#11127 <https://github.com/scipy/scipy/pull/11127>`__: Avoid potential segfault in CSR and CSC matrix indexing * `#11152 <https://github.com/scipy/scipy/pull/11152>`__: BUG: Fix random state bug multiscale_graphcorr * `#11166 <https://github.com/scipy/scipy/pull/11166>`__: BUG: empty sparse slice shapes * `#11167 <https://github.com/scipy/scipy/pull/11167>`__: BUG: redundant fft 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4 3

vectorization in stats.rv_continuous
by Andrew Nelson Dec. 12, 2019

Dec. 12, 2019

In rv_continuous there are several locations that use np.vectorize over single instance calculations. In those locations the vectorized function has an attribute `nin` changed, e.g. https://github.com/scipy/scipy/blob/master/scipy/stats/_distn_infrastructur… . If I look up the code for np.vectorize there's no such attribute in the class. Is it now an obsolete attribute? If so, can it be removed? A. p.s. I've been experimenting with a way of speeding up the generic _ppf function. My local changes show significant speed improvement in a subclass, which speeds up rvs significantly. I'll have a look into submitting a PR.

2 1

ANN: SciPy 1.4.0rc2 -- please test
by Tyler Reddy Dec. 8, 2019

Dec. 8, 2019

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 Hi all, On behalf of the SciPy development team I'm pleased to announce the release candidate SciPy 1.4.0rc2. Please help us test this pre-release. Sources and binary wheels can be found at: https://pypi.org/project/scipy/ and at: https://github.com/scipy/scipy/releases/tag/v1.4.0rc2 One of a few ways to install the release candidate with pip: pip install scipy==1.4.0rc2 ========================== SciPy 1.4.0 Release Notes ========================== Note: Scipy 1.4.0 is not released yet! SciPy 1.4.0 is the culmination of 6 months of hard work. It contains many new features, numerous bug-fixes, improved test coverage and better documentation. There have been a number of deprecations and API changes in this release, which are documented below. All users are encouraged to upgrade to this release, as there are a large number of bug-fixes and optimizations. Before upgrading, we recommend that users check that their own code does not use deprecated SciPy functionality (to do so, run your code with ``python -Wd`` and check for ``DeprecationWarning`` s). Our development attention will now shift to bug-fix releases on the 1.4.x branch, and on adding new features on the master branch. This release requires Python 3.5+ and NumPy >=1.13.3 (for Python 3.5, 3.6), >=1.14.5 (for Python 3.7), >= 1.17.3 (for Python 3.8) For running on PyPy, PyPy3 6.0+ and NumPy 1.15.0 are required. Highlights of this release ----------------------------------- - a new submodule, `scipy.fft`, now supersedes `scipy.fftpack`; this means support for ``long double`` transforms, faster multi-dimensional transforms, improved algorithm time complexity, release of the global intepreter lock, and control over threading behavior - support for ``pydata/sparse`` arrays in `scipy.sparse.linalg` - substantial improvement to the documentation and functionality of several `scipy.special` functions, and some new additions - the generalized inverse Gaussian distribution has been added to `scipy.stats` - an implementation of the Edmonds-Karp algorithm in `scipy.sparse.csgraph.maximum_flow` - `scipy.spatial.SphericalVoronoi` now supports n-dimensional input, has linear memory complexity, improved performance, and supports single-hemisphere generators New features ============ Infrastructure -------------------- Documentation can now be built with ``runtests.py --doc`` A ``Dockerfile`` is now available in the ``scipy/scipy-dev`` repository to facilitate getting started with SciPy development. `scipy.constants` improvements ---------------------------------------------- `scipy.constants` has been updated with the CODATA 2018 constants. `scipy.fft` added ----------------------- `scipy.fft` is a new submodule that supersedes the `scipy.fftpack` submodule. For the most part, this is a drop-in replacement for ``numpy.fft`` and `scipy.fftpack` alike. With some important differences, `scipy.fft`: - uses NumPy's conventions for real transforms (``rfft``). This means the return value is a complex array, half the size of the full ``fft`` output. This is different from the output of ``fftpack`` which returned a real array representing complex components packed together. - the inverse real to real transforms (``idct`` and ``idst``) are normalized for ``norm=None`` in thesame way as ``ifft``. This means the identity ``idct(dct(x)) == x`` is now ``True`` for all norm modes. - does not include the convolutions or pseudo-differential operators from ``fftpack``. This submodule is based on the ``pypocketfft`` library, developed by the author of ``pocketfft`` which was recently adopted by NumPy as well. ``pypocketfft`` offers a number of advantages over fortran ``FFTPACK``: - support for long double (``np.longfloat``) precision transforms. - faster multi-dimensional transforms using vectorisation - Bluestein’s algorithm removes the worst-case ``O(n^2)`` complexity of ``FFTPACK`` - the global interpreter lock (``GIL``) is released during transforms - optional multithreading of multi-dimensional transforms via the ``workers`` argument Note that `scipy.fftpack` has not been deprecated and will continue to be maintained but is now considered legacy. New code is recommended to use `scipy.fft` instead, where possible. `scipy.fftpack` improvements ---------------------------------------- `scipy.fftpack` now uses pypocketfft to perform its FFTs, offering the same speed and accuracy benefits listed for scipy.fft above but without the improved API. `scipy.integrate` improvements ------------------------------------------- The function `scipy.integrate.solve_ivp` now has an ``args`` argument. This allows the user-defined functions passed to the function to have additional parameters without having to create wrapper functions or lambda expressions for them. `scipy.integrate.solve_ivp` can now return a ``y_events`` attribute representing the solution of the ODE at event times New ``OdeSolver`` is implemented --- ``DOP853``. This is a high-order explicit Runge-Kutta method originally implemented in Fortran. Now we provide a pure Python implementation usable through ``solve_ivp`` with all its features. `scipy.integrate.quad` provides better user feedback when break points are specified with a weighted integrand. `scipy.integrate.quad_vec` is now available for general purpose integration of vector-valued functions `scipy.interpolate` improvements -------------------------------------------- `scipy.interpolate.pade` now handles complex input data gracefully `scipy.interpolate.Rbf` can now interpolate multi-dimensional functions `scipy.io` improvements --------------------------------- `scipy.io.wavfile.read` can now read data from a `WAV` file that has a malformed header, similar to other modern `WAV` file parsers `scipy.io.FortranFile` now has an expanded set of available ``Exception`` classes for handling poorly-formatted files `scipy.linalg` improvements -------------------------------------- The function ``scipy.linalg.subspace_angles(A, B)`` now gives correct results for complex-valued matrices. Before this, the function only returned correct values for real-valued matrices. New boolean keyword argument ``check_finite`` for `scipy.linalg.norm`; whether to check that the input matrix contains only finite numbers. Disabling may give a performance gain, but may result in problems (crashes, non-termination) if the inputs do contain infinities or NaNs. `scipy.linalg.solve_triangular` has improved performance for a C-ordered triangular matrix ``LAPACK`` wrappers have been added for ``?geequ``, ``?geequb``, ``?syequb``, and ``?heequb`` Some performance improvements may be observed due to an internal optimization in operations involving LAPACK routines via ``_compute_lwork``. This is particularly true for operations on small arrays. Block ``QR`` wrappers are now available in `scipy.linalg.lapack` `scipy.ndimage` improvements ------------------------------------------ `scipy.optimize` improvements ------------------------------------------ It is now possible to use linear and non-linear constraints with `scipy.optimize.differential_evolution`. `scipy.optimize.linear_sum_assignment` has been re-written in C++ to improve performance, and now allows input costs to be infinite. A ``ScalarFunction.fun_and_grad`` method was added for convenient simultaneous retrieval of a function and gradient evaluation `scipy.optimize.minimize` ``BFGS`` method has improved performance by avoiding duplicate evaluations in some cases Better user feedback is provided when an objective function returns an array instead of a scalar. `scipy.signal` improvements --------------------------------------- Added a new function to calculate convolution using the overlap-add method, named `scipy.signal.oaconvolve`. Like `scipy.signal.fftconvolve`, this function supports specifying dimensions along which to do the convolution. `scipy.signal.cwt` now supports complex wavelets. The implementation of ``choose_conv_method`` has been updated to reflect the new FFT implementation. In addition, the performance has been significantly improved (with rather drastic improvements in edge cases). The function ``upfirdn`` now has a ``mode`` keyword argument that can be used to select the signal extension mode used at the signal boundaries. These modes are also available for use in ``resample_poly`` via a newly added ``padtype`` argument. `scipy.signal.sosfilt` now benefits from Cython code for improved performance `scipy.signal.resample` should be more efficient by leveraging ``rfft`` when possible `scipy.sparse` improvements ---------------------------------------- It is now possible to use the LOBPCG method in `scipy.sparse.linalg.svds`. `scipy.sparse.linalg.LinearOperator` now supports the operation ``rmatmat`` for adjoint matrix-matrix multiplication, in addition to ``rmatvec``. Multiple stability updates enable float32 support in the LOBPCG eigenvalue solver for symmetric and Hermitian eigenvalues problems in ``scipy.sparse.linalg.lobpcg``. A solver for the maximum flow problem has been added as `scipy.sparse.csgraph.maximum_flow`. `scipy.sparse.csgraph.maximum_bipartite_matching` now allows non-square inputs, no longer requires a perfect matching to exist, and has improved performance. `scipy.sparse.lil_matrix` conversions now perform better in some scenarios Basic support is available for ``pydata/sparse`` arrays in `scipy.sparse.linalg` `scipy.sparse.linalg.spsolve_triangular` now supports the ``unit_diagonal`` argument to improve call signature similarity with its dense counterpart, `scipy.linalg.solve_triangular` ``assertAlmostEqual`` may now be used with sparse matrices, which have added support for ``__round__`` `scipy.spatial` improvements -------------------------------------- The bundled Qhull library was upgraded to version 2019.1, fixing several issues. Scipy-specific patches are no longer applied to it. `scipy.spatial.SphericalVoronoi` now has linear memory complexity, improved performance, and supports single-hemisphere generators. Support has also been added for handling generators that lie on a great circle arc (geodesic input) and for generators in n-dimensions. `scipy.spatial.transform.Rotation` now includes functions for calculation of a mean rotation, generation of the 3D rotation groups, and reduction of rotations with rotational symmetries. `scipy.spatial.transform.Slerp` is now callable with a scalar argument `scipy.spatial.voronoi_plot_2d` now supports furthest site Voronoi diagrams `scipy.spatial.Delaunay` and `scipy.spatial.Voronoi` now have attributes for tracking whether they are furthest site diagrams `scipy.special` improvements --------------------------------------- The Voigt profile has been added as `scipy.special.voigt_profile`. A real dispatch has been added for the Wright Omega function (`scipy.special.wrightomega`). The analytic continuation of the Riemann zeta function has been added. (The Riemann zeta function is the one-argument variant of `scipy.special.zeta`.) The complete elliptic integral of the first kind (`scipy.special.ellipk`) is now available in `scipy.special.cython_special`. The accuracy of `scipy.special.hyp1f1` for real arguments has been improved. The documentation of many functions has been improved. `scipy.stats` improvements ------------------------------------- `scipy.stats.multiscale_graphcorr` added as an independence test that operates on high dimensional and nonlinear data sets. It has higher statistical power than other `scipy.stats` tests while being the only one that operates on multivariate data. The generalized inverse Gaussian distribution (`scipy.stats.geninvgauss`) has been added. It is now possible to efficiently reuse `scipy.stats.binned_statistic_dd` with new values by providing the result of a previous call to the function. `scipy.stats.hmean` now handles input with zeros more gracefully. The beta-binomial distribution is now available in `scipy.stats.betabinom`. `scipy.stats.zscore`, `scipy.stats.circmean`, `scipy.stats.circstd`, and `scipy.stats.circvar` now support the ``nan_policy`` argument for enhanced handling of ``NaN`` values `scipy.stats.entropy` now accepts an ``axis`` argument `scipy.stats.gaussian_kde.resample` now accepts a ``seed`` argument to empower reproducibility `scipy.stats.kendalltau` performance has improved, especially for large inputs, due to improved cache usage `scipy.stats.truncnorm` distribution has been rewritten to support much wider tails Deprecated features =================== `scipy` deprecations ---------------------------- Support for NumPy functions exposed via the root SciPy namespace is deprecated and will be removed in 2.0.0. For example, if you use ``scipy.rand`` or ``scipy.diag``, you should change your code to directly use ``numpy.random.default_rng`` or ``numpy.diag``, respectively. They remain available in the currently continuing Scipy 1.x release series. The exception to this rule is using ``scipy.fft`` as a function -- :mod:`scipy.fft` is now meant to be used only as a module, so the ability to call ``scipy.fft(...)`` will be removed in SciPy 1.5.0. In `scipy.spatial.Rotation` methods ``from_dcm``, ``as_dcm`` were renamed to ``from_matrix``, ``as_matrix`` respectively. The old names will be removed in SciPy 1.6.0. Method ``Rotation.match_vectors`` was deprecated in favor of ``Rotation.align_vectors``, which provides a more logical and general API to the same functionality. The old method will be removed in SciPy 1.6.0. Backwards incompatible changes ============================== `scipy.special` changes -------------------------------- The deprecated functions ``hyp2f0``, ``hyp1f2``, and ``hyp3f0`` have been removed. The deprecated function ``bessel_diff_formula`` has been removed. The function ``i0`` is no longer registered with ``numpy.dual``, so that ``numpy.dual.i0`` will unconditionally refer to the NumPy version regardless of whether `scipy.special` is imported. The function ``expn`` has been changed to return ``nan`` outside of its domain of definition (``x, n < 0``) instead of ``inf``. `scipy.sparse` changes -------------------------------- Sparse matrix reshape now raises an error if shape is not two-dimensional, rather than guessing what was meant. The behavior is now the same as before SciPy 1.1.0. ``CSR`` and ``CSC`` sparse matrix classes should now return empty matrices of the same type when indexed out of bounds. Previously, for some versions of SciPy, this would raise an ``IndexError``. The change is largely motivated by greater consistency with ``ndarray`` and ``numpy.matrix`` semantics. `scipy.signal` changes ------------------------------ `scipy.signal.resample` behavior for length-1 signal inputs has been fixed to output a constant (DC) value rather than an impulse, consistent with the assumption of signal periodicity in the FFT method. `scipy.signal.cwt` now performs complex conjugation and time-reversal of wavelet data, which is a backwards-incompatible bugfix for time-asymmetric wavelets. `scipy.stats` changes ----------------------------- `scipy.stats.loguniform` added with better documentation as (an alias for ``scipy.stats.reciprocal``). ``loguniform`` generates random variables that are equally likely in the log space; e.g., ``1``, ``10`` and ``100`` are all equally likely if ``loguniform(10 ** 0, 10 ** 2).rvs()`` is used. Other changes ============= The ``LSODA`` method of `scipy.integrate.solve_ivp` now correctly detects stiff problems. `scipy.spatial.cKDTree` now accepts and correctly handles empty input data `scipy.stats.binned_statistic_dd` now calculates the standard deviation statistic in a numerically stable way. `scipy.stats.binned_statistic_dd` now throws an error if the input data contains either ``np.nan`` or ``np.inf``. Similarly, in `scipy.stats` now all continuous distributions' ``.fit()`` methods throw an error if the input data contain any instance of either ``np.nan`` or ``np.inf``. Authors ======= * @endolith * @wenhui-prudencemed + * Abhinav + * Anne Archibald * ashwinpathak20nov1996 + * Danilo Augusto + * Nelson Auner + * aypiggott + * Christoph Baumgarten * Peter Bell * Sebastian Berg * Arman Bilge + * Benedikt Boecking + * Christoph Boeddeker + * Daniel Bunting * Evgeni Burovski * Angeline Burrell + * Angeline G. Burrell + * CJ Carey * Carlos Ramos Carreño + * Mak Sze Chun + * Malayaja Chutani + * Christian Clauss + * Jonathan Conroy + * Stephen P Cook + * Dylan Cutler + * Anirudh Dagar + * Aidan Dang + * dankleeman + * Brandon David + * Tyler Dawson + * Dieter Werthmüller * Joe Driscoll + * Jakub Dyczek + * Dávid Bodnár * Fletcher Easton + * Stefan Endres * etienne + * Johann Faouzi * Yu Feng * Isuru Fernando + * Matthew H Flamm * Martin Gauch + * Gabriel Gerlero + * Ralf Gommers * Chris Gorgolewski + * Domen Gorjup + * Edouard Goudenhoofdt + * Jan Gwinner + * Maja Gwozdz + * Matt Haberland * hadshirt + * Pierre Haessig + * David Hagen * Charles Harris * Gina Helfrich + * Alex Henrie + * Francisco J. Hernandez Heras + * Andreas Hilboll * Lindsey Hiltner * Thomas Hisch * Min ho Kim + * Gert-Ludwig Ingold * jakobjakobson13 + * Todd Jennings * He Jia * Muhammad Firmansyah Kasim + * Andrew Knyazev + * Holger Kohr + * Mateusz Konieczny + * Krzysztof Pióro + * Philipp Lang + * Peter Mahler Larsen + * Eric Larson * Antony Lee * Gregory R. Lee * Chelsea Liu + * Jesse Livezey * Peter Lysakovski + * Jason Manley + * Michael Marien + * Nikolay Mayorov * G. D. McBain + * Sam McCormack + * Melissa Weber Mendonça + * Kevin Michel + * mikeWShef + * Sturla Molden * Eric Moore * Peyton Murray + * Andrew Nelson * Clement Ng + * Juan Nunez-Iglesias * Renee Otten + * Kellie Ottoboni + * Ayappan P * Sambit Panda + * Tapasweni Pathak + * Oleksandr Pavlyk * Fabian Pedregosa * Petar Mlinarić * Matti Picus * Marcel Plch + * Christoph Pohl + * Ilhan Polat * Siddhesh Poyarekar + * Ioannis Prapas + * James Alan Preiss + * Yisheng Qiu + * Eric Quintero * Bharat Raghunathan + * Tyler Reddy * Joscha Reimer * Antonio Horta Ribeiro * Lucas Roberts * rtshort + * Josua Sassen * Kevin Sheppard * Scott Sievert * Leo Singer * Kai Striega * Søren Fuglede Jørgensen * tborisow + * Étienne Tremblay + * tuxcell + * Miguel de Val-Borro * Andrew Valentine + * Hugo van Kemenade * Paul van Mulbregt * Sebastiano Vigna * Pauli Virtanen * Dany Vohl + * Ben Walsh + * Huize Wang + * Warren Weckesser * Anreas Weh + * Joseph Weston + * Adrian Wijaya + * Timothy Willard + * Josh Wilson * Kentaro Yamamoto + * Dave Zbarsky + A total of 142 people contributed to this release. People with a "+" by their names contributed a patch for the first time. This list of names is automatically generated, and may not be fully complete. Issues closed for 1.4.0 -------------------------------- * `#1255 <https://github.com/scipy/scipy/issues/1255>`__: maxiter broken for Scipy.sparse.linalg gmres, in addition to... * `#1301 <https://github.com/scipy/scipy/issues/1301>`__: consolidate multipack.h from interpolate and integrate packages... * `#1739 <https://github.com/scipy/scipy/issues/1739>`__: Single precision FFT insufficiently accurate. (Trac #1212) * `#1795 <https://github.com/scipy/scipy/issues/1795>`__: stats test_distributions.py: replace old fuzz tests (Trac #1269) * `#2233 <https://github.com/scipy/scipy/issues/2233>`__: fftpack segfault with big arrays (Trac #1714) * `#2434 <https://github.com/scipy/scipy/issues/2434>`__: rmatmat and the sophistication of linear operator objects * `#2477 <https://github.com/scipy/scipy/issues/2477>`__: stats.truncnorm.rvs() does not give symmetric results for negative... * `#2629 <https://github.com/scipy/scipy/issues/2629>`__: FFTpack is unacceptably slow on non power of 2 * `#2883 <https://github.com/scipy/scipy/issues/2883>`__: UnboundLocalError in scipy.interpolate.splrep * `#2956 <https://github.com/scipy/scipy/issues/2956>`__: Feature Request: axis argument for stats.entropy function * `#3528 <https://github.com/scipy/scipy/issues/3528>`__: Segfault on test_djbfft (possibly MKL-related?) * `#3793 <https://github.com/scipy/scipy/issues/3793>`__: cwt should also return complex array * `#4464 <https://github.com/scipy/scipy/issues/4464>`__: TST: residue/residuez/invres/invresz don't have any tests * `#4561 <https://github.com/scipy/scipy/issues/4561>`__: BUG: tf filter trailing and leading zeros in residuez * `#4669 <https://github.com/scipy/scipy/issues/4669>`__: Rewrite sosfilt to make a single loop over the input? * `#5040 <https://github.com/scipy/scipy/issues/5040>`__: BUG: Empty data handling of (c)KDTrees * `#5112 <https://github.com/scipy/scipy/issues/5112>`__: boxcox transform edge cases could use more care * `#5441 <https://github.com/scipy/scipy/issues/5441>`__: scipy.stats.ncx2 fails for nc=0 * `#5502 <https://github.com/scipy/scipy/issues/5502>`__: args keyword not handled in optimize.curve_fit * `#6484 <https://github.com/scipy/scipy/issues/6484>`__: Qhull segmentation fault * `#6900 <https://github.com/scipy/scipy/issues/6900>`__: linear_sum_assignment with infinite weights * `#6966 <https://github.com/scipy/scipy/issues/6966>`__: Hypergeometric Functions documentation is lacking * `#6999 <https://github.com/scipy/scipy/issues/6999>`__: possible false positive corruption check in compressed loadmat() * `#7018 <https://github.com/scipy/scipy/issues/7018>`__: ydata that needs broadcasting renders curve_fit unable to compute... * `#7140 <https://github.com/scipy/scipy/issues/7140>`__: trouble with documentation for windows * `#7327 <https://github.com/scipy/scipy/issues/7327>`__: interpolate.ndgriddata.griddata causes Python to crash rather... * `#7396 <https://github.com/scipy/scipy/issues/7396>`__: MatrixLinearOperator implements _adjoint(), but not _transpose() * `#7400 <https://github.com/scipy/scipy/issues/7400>`__: BUG(?): special: factorial and factorial2 return a 0-dimensional... * `#7434 <https://github.com/scipy/scipy/issues/7434>`__: Testing of scipy.stats continuous distributions misses 25 distributions * `#7491 <https://github.com/scipy/scipy/issues/7491>`__: Several scipy.stats distributions (fisk, burr, burr12, f) return... * `#7759 <https://github.com/scipy/scipy/issues/7759>`__: Overflow in stats.kruskal for large samples * `#7906 <https://github.com/scipy/scipy/issues/7906>`__: Wrong result from scipy.interpolate.UnivariateSpline.integral... * `#8165 <https://github.com/scipy/scipy/issues/8165>`__: ENH: match functionality of R for hmean * `#8417 <https://github.com/scipy/scipy/issues/8417>`__: optimimze.minimize(method='L-BFGS-B', options={'disp': True})... * `#8535 <https://github.com/scipy/scipy/issues/8535>`__: Strictly increasing requirement in UnivariateSpline * `#8815 <https://github.com/scipy/scipy/issues/8815>`__: [BUG] GMRES: number of iteration is only increased if callback... * `#9207 <https://github.com/scipy/scipy/issues/9207>`__: scipy.linalg.solve_triangular speed after scipy.linalg.lu_factor * `#9275 <https://github.com/scipy/scipy/issues/9275>`__: new feature: adding LOBPCG solver in svds in addition to ARPACK * `#9403 <https://github.com/scipy/scipy/issues/9403>`__: range of truncnorm.logpdf could be extended * `#9429 <https://github.com/scipy/scipy/issues/9429>`__: gaussian_kde not working with numpy matrix * `#9515 <https://github.com/scipy/scipy/issues/9515>`__: ndimage implementation relies on undefined behavior * `#9643 <https://github.com/scipy/scipy/issues/9643>`__: arpack returns singular values in ascending order * `#9669 <https://github.com/scipy/scipy/issues/9669>`__: DOC: matthew-brett/build-openblas has been retired * `#9852 <https://github.com/scipy/scipy/issues/9852>`__: scipy.spatial.ConvexHull exit with code 134, free(): invalid... * `#9902 <https://github.com/scipy/scipy/issues/9902>`__: scipy.stats.truncnorm second moment may be wrong * `#9943 <https://github.com/scipy/scipy/issues/9943>`__: Custom sampling methods in shgo do not work * `#9947 <https://github.com/scipy/scipy/issues/9947>`__: DOC: Incorrect documentation for \`nan_policy='propagate\` in... * `#9994 <https://github.com/scipy/scipy/issues/9994>`__: BUG: sparse: reshape method allows a shape containing an arbitrary... * `#10036 <https://github.com/scipy/scipy/issues/10036>`__: Official Nelder mead tutorial uses xtol instead of xatol, which... * `#10078 <https://github.com/scipy/scipy/issues/10078>`__: possible to get a better error message when objective function... * `#10092 <https://github.com/scipy/scipy/issues/10092>`__: overflow in truncnorm.rvs * `#10121 <https://github.com/scipy/scipy/issues/10121>`__: A little spelling mistake * `#10126 <https://github.com/scipy/scipy/issues/10126>`__: inaccurate std implementation in binned_statistic * `#10161 <https://github.com/scipy/scipy/issues/10161>`__: Error in documentation scipy.special.modstruve * `#10195 <https://github.com/scipy/scipy/issues/10195>`__: Derivative of spline with 'const' extrapolation is also extrapolted... * `#10206 <https://github.com/scipy/scipy/issues/10206>`__: sparse matrices indexing with scipy 1.3 * `#10236 <https://github.com/scipy/scipy/issues/10236>`__: Non-descriptive error on type mismatch for functions of scipy.optimize... * `#10258 <https://github.com/scipy/scipy/issues/10258>`__: LOBPCG convergence failure if guess provided * `#10262 <https://github.com/scipy/scipy/issues/10262>`__: distance matrix lacks dtype checks / warnings * `#10271 <https://github.com/scipy/scipy/issues/10271>`__: BUG: optimize failure on wheels * `#10277 <https://github.com/scipy/scipy/issues/10277>`__: scipy.special.zeta(0) = NAN * `#10292 <https://github.com/scipy/scipy/issues/10292>`__: DOC/REL: Some sections of the release notes are not nested correctly. * `#10300 <https://github.com/scipy/scipy/issues/10300>`__: scipy.stats.rv_continuous.fit throws empty RuntimeError when... * `#10319 <https://github.com/scipy/scipy/issues/10319>`__: events in scipy.integrate.solve_ivp: How do I setup an events... * `#10323 <https://github.com/scipy/scipy/issues/10323>`__: Adding more low-level LAPACK wrappers * `#10360 <https://github.com/scipy/scipy/issues/10360>`__: firwin2 inadvertently modifies input and may result in undefined... * `#10388 <https://github.com/scipy/scipy/issues/10388>`__: BLD: TestHerd::test_hetrd core dumps with Python-dbg * `#10395 <https://github.com/scipy/scipy/issues/10395>`__: Remove warning about output shape of zoom * `#10403 <https://github.com/scipy/scipy/issues/10403>`__: DOC: scipy.signal.resample ignores t parameter * `#10421 <https://github.com/scipy/scipy/issues/10421>`__: Yeo-Johnson power transformation fails with integer input data * `#10422 <https://github.com/scipy/scipy/issues/10422>`__: BUG: scipy.fft does not support multiprocessing * `#10427 <https://github.com/scipy/scipy/issues/10427>`__: ENH: convolve numbers should be updated * `#10444 <https://github.com/scipy/scipy/issues/10444>`__: BUG: scipy.spatial.transform.Rotation.match_vectors returns improper... * `#10488 <https://github.com/scipy/scipy/issues/10488>`__: ENH: DCTs/DSTs for scipy.fft * `#10501 <https://github.com/scipy/scipy/issues/10501>`__: BUG: scipy.spatial.HalfspaceIntersection works incorrectly * `#10514 <https://github.com/scipy/scipy/issues/10514>`__: BUG: cKDTree GIL handling is incorrect * `#10535 <https://github.com/scipy/scipy/issues/10535>`__: TST: master branch CI failures * `#10588 <https://github.com/scipy/scipy/issues/10588>`__: scipy.fft and numpy.fft inconsistency when axes=None and shape... * `#10628 <https://github.com/scipy/scipy/issues/10628>`__: Scipy python>3.6 Windows wheels don't ship msvcp\*.dll * `#10733 <https://github.com/scipy/scipy/issues/10733>`__: DOC/BUG: min_only result does not match documentation * `#10774 <https://github.com/scipy/scipy/issues/10774>`__: min_only=true djisktra infinite loop with duplicate indices * `#10775 <https://github.com/scipy/scipy/issues/10775>`__: UnboundLocalError in Radau when given a NaN * `#10835 <https://github.com/scipy/scipy/issues/10835>`__: io.wavfile.read unnecessarily raises an error for a bad wav header * `#10838 <https://github.com/scipy/scipy/issues/10838>`__: Error in documentation for scipy.linalg.lu_factor * `#10875 <https://github.com/scipy/scipy/issues/10875>`__: DOC: Graphical guides (using TikZ) * `#10880 <https://github.com/scipy/scipy/issues/10880>`__: setting verbose > 2 in minimize with trust-constr method leads... * `#10887 <https://github.com/scipy/scipy/issues/10887>`__: scipy.signal.signaltools._fftconv_faster has incorrect estimates * `#10948 <https://github.com/scipy/scipy/issues/10948>`__: gammainc(0,x) = nan but should be 1, gammaincc(0,x) = nan but... * `#10952 <https://github.com/scipy/scipy/issues/10952>`__: TestQRdelete_F.test_delete_last_p_col test failure * `#10968 <https://github.com/scipy/scipy/issues/10968>`__: API: Change normalized=False to normalize=True in Rotation * `#10987 <https://github.com/scipy/scipy/issues/10987>`__: Memory leak in shgo triangulation * `#10991 <https://github.com/scipy/scipy/issues/10991>`__: Error running openBlas probably missing a step * `#11033 <https://github.com/scipy/scipy/issues/11033>`__: deadlock on osx for python 3.8 * `#11041 <https://github.com/scipy/scipy/issues/11041>`__: Test failure in wheel builds for TestTf2zpk.test_simple * `#11089 <https://github.com/scipy/scipy/issues/11089>`__: Regression in scipy.stats where distribution will not accept loc and scale parameters * `#11100 <https://github.com/scipy/scipy/issues/11100>`__: BUG: multiscale_graphcorr random state seeding and parallel use * `#11121 <https://github.com/scipy/scipy/issues/11121>`__: Calls to `scipy.interpolate.splprep` increase RAM usage. * `#11125 <https://github.com/scipy/scipy/issues/11125>`__: BUG: segfault when slicing a CSR or CSC sparse matrix with slice start index > stop index Pull requests for 1.4.0 ------------------------------- * `#4591 <https://github.com/scipy/scipy/pull/4591>`__: BUG, TST: Several issues with scipy.signal.residue * `#6629 <https://github.com/scipy/scipy/pull/6629>`__: ENH: sparse: canonicalize on initialization * `#7076 <https://github.com/scipy/scipy/pull/7076>`__: ENH: add complex wavelet support to scipy.signal.cwt. * `#8681 <https://github.com/scipy/scipy/pull/8681>`__: ENH add generalized inverse Gaussian distribution to scipy.stats * `#9064 <https://github.com/scipy/scipy/pull/9064>`__: BUG/ENH: Added default _transpose into LinearOperator. Fixes... * `#9215 <https://github.com/scipy/scipy/pull/9215>`__: ENH: Rbf interpolation of large multi-dimensional data * `#9311 <https://github.com/scipy/scipy/pull/9311>`__: ENH: Added voigt in scipy.special. * `#9642 <https://github.com/scipy/scipy/pull/9642>`__: ENH: integrate: quad() for vector-valued functions * `#9679 <https://github.com/scipy/scipy/pull/9679>`__: DOC: expand docstring of exponweib distribution * `#9684 <https://github.com/scipy/scipy/pull/9684>`__: TST: add ppc64le ci testing * `#9800 <https://github.com/scipy/scipy/pull/9800>`__: WIP : ENH: Refactored _hungarian.py for speed and added a minimize/maximize… * `#9847 <https://github.com/scipy/scipy/pull/9847>`__: DOC: Change integrate tutorial to use solve_ivp instead of odeint * `#9876 <https://github.com/scipy/scipy/pull/9876>`__: ENH: Use rfft when possible in resampling * `#9998 <https://github.com/scipy/scipy/pull/9998>`__: BUG: Do not remove 1s when calling sparse: reshape method #9994 * `#10002 <https://github.com/scipy/scipy/pull/10002>`__: ENH: adds constraints for differential evolution * `#10098 <https://github.com/scipy/scipy/pull/10098>`__: ENH: integrate: add args argument to solve_ivp. * `#10099 <https://github.com/scipy/scipy/pull/10099>`__: DOC: Add missing docs for linprog unknown_options * `#10104 <https://github.com/scipy/scipy/pull/10104>`__: BUG: Rewrite of stats.truncnorm distribution. * `#10105 <https://github.com/scipy/scipy/pull/10105>`__: MAINT improve efficiency of rvs_ratio_uniforms in scipy.stats * `#10107 <https://github.com/scipy/scipy/pull/10107>`__: TST: dual_annealing set seed * `#10108 <https://github.com/scipy/scipy/pull/10108>`__: ENH: stats: improve kendall_tau cache usage * `#10110 <https://github.com/scipy/scipy/pull/10110>`__: MAINT: _lib: Fix a build warning. * `#10114 <https://github.com/scipy/scipy/pull/10114>`__: FIX: only print bounds when supported by minimizer (shgo) * `#10115 <https://github.com/scipy/scipy/pull/10115>`__: TST: Add a test with an almost singular design matrix for lsq_linear * `#10118 <https://github.com/scipy/scipy/pull/10118>`__: MAINT: fix rdist methods in scipy.stats * `#10119 <https://github.com/scipy/scipy/pull/10119>`__: MAINT: improve rvs of randint in scipy.stats * `#10127 <https://github.com/scipy/scipy/pull/10127>`__: Fix typo in record array field name (spatial-ckdtree-sparse_distance… * `#10130 <https://github.com/scipy/scipy/pull/10130>`__: MAINT: ndimage: Fix some compiler warnings. * `#10131 <https://github.com/scipy/scipy/pull/10131>`__: DOC: Note the solve_ivp args enhancement in the 1.4.0 release... * `#10133 <https://github.com/scipy/scipy/pull/10133>`__: MAINT: add rvs for semicircular in scipy.stats * `#10138 <https://github.com/scipy/scipy/pull/10138>`__: BUG: special: Invalid arguments to ellip_harm can crash Python. * `#10139 <https://github.com/scipy/scipy/pull/10139>`__: MAINT: spatial: Fix some compiler warnings in the file distance_wrap.c. * `#10140 <https://github.com/scipy/scipy/pull/10140>`__: ENH: add handling of NaN in RuntimeWarning except clause * `#10142 <https://github.com/scipy/scipy/pull/10142>`__: DOC: return value of scipy.special.comb * `#10143 <https://github.com/scipy/scipy/pull/10143>`__: MAINT: Loosen linprog tol * `#10152 <https://github.com/scipy/scipy/pull/10152>`__: BUG: Fix custom sampling input for shgo, add unittest * `#10154 <https://github.com/scipy/scipy/pull/10154>`__: MAINT: add moments and improve doc of mielke in scipy.stats * `#10158 <https://github.com/scipy/scipy/pull/10158>`__: Issue #6999: read zlib checksum before checking bytes read. * `#10166 <https://github.com/scipy/scipy/pull/10166>`__: BUG: Correctly handle broadcasted ydata in curve_fit pcov computation. * `#10167 <https://github.com/scipy/scipy/pull/10167>`__: DOC: special: Add missing factor of \`i\` to \`modstruve\` docstring * `#10168 <https://github.com/scipy/scipy/pull/10168>`__: MAINT: stats: Fix an incorrect comment. * `#10169 <https://github.com/scipy/scipy/pull/10169>`__: ENH: optimize: Clarify error when objective function returns... * `#10172 <https://github.com/scipy/scipy/pull/10172>`__: DEV: Run tests in parallel when --parallel flag is passed to... * `#10173 <https://github.com/scipy/scipy/pull/10173>`__: ENH: Implement DOP853 ODE integrator * `#10176 <https://github.com/scipy/scipy/pull/10176>`__: Fixed typo * `#10182 <https://github.com/scipy/scipy/pull/10182>`__: TST: fix test issue for stats.pearsonr * `#10184 <https://github.com/scipy/scipy/pull/10184>`__: MAINT: stats: Simplify zmap and zscore (we can use keepdims now). * `#10191 <https://github.com/scipy/scipy/pull/10191>`__: DOC: fix a formatting issue in the scipy.spatial module docstring. * `#10193 <https://github.com/scipy/scipy/pull/10193>`__: DOC: Updated docstring for optimize.nnls * `#10198 <https://github.com/scipy/scipy/pull/10198>`__: DOC, ENH: special: Make \`hyp2f1\` references more specific * `#10202 <https://github.com/scipy/scipy/pull/10202>`__: DOC: Format DST and DCT definitions as latex equations * `#10207 <https://github.com/scipy/scipy/pull/10207>`__: BUG: Compressed matrix indexing should return a scalar * `#10210 <https://github.com/scipy/scipy/pull/10210>`__: DOC: Update docs for connection='weak' in connected_components * `#10225 <https://github.com/scipy/scipy/pull/10225>`__: DOC: Clarify new interfaces for legacy functions in 'optimize' * `#10231 <https://github.com/scipy/scipy/pull/10231>`__: DOC, MAINT: gpg2 updates to release docs / pavement * `#10235 <https://github.com/scipy/scipy/pull/10235>`__: LICENSE: split license file in standard BSD 3-clause and bundled. * `#10238 <https://github.com/scipy/scipy/pull/10238>`__: ENH: Add new scipy.fft module using pocketfft * `#10243 <https://github.com/scipy/scipy/pull/10243>`__: BUG: fix ARFF reader regression with quoted values. * `#10248 <https://github.com/scipy/scipy/pull/10248>`__: DOC: update README file * `#10255 <https://github.com/scipy/scipy/pull/10255>`__: CI: bump OpenBLAS to match wheels * `#10264 <https://github.com/scipy/scipy/pull/10264>`__: TST: add tests for stats.tvar with unflattened arrays * `#10280 <https://github.com/scipy/scipy/pull/10280>`__: MAINT: stats: Use a constant value for sqrt(2/PI). * `#10286 <https://github.com/scipy/scipy/pull/10286>`__: Development Documentation Overhaul * `#10290 <https://github.com/scipy/scipy/pull/10290>`__: MAINT: Deprecate NumPy functions in SciPy root * `#10291 <https://github.com/scipy/scipy/pull/10291>`__: FIX: Avoid importing xdist when checking for availability * `#10295 <https://github.com/scipy/scipy/pull/10295>`__: Disable deprecated Numpy API in __odrpack.c * `#10296 <https://github.com/scipy/scipy/pull/10296>`__: ENH: C++ extension for linear assignment problem * `#10298 <https://github.com/scipy/scipy/pull/10298>`__: ENH: Made pade function work with complex inputs * `#10301 <https://github.com/scipy/scipy/pull/10301>`__: DOC: Fix critical value significance levels in stats.anderson_ksamp * `#10307 <https://github.com/scipy/scipy/pull/10307>`__: Minkowski Distance Type Fix (issue #10262) * `#10309 <https://github.com/scipy/scipy/pull/10309>`__: BUG: Pass jac=None directly to lsoda * `#10310 <https://github.com/scipy/scipy/pull/10310>`__: BUG: interpolate: UnivariateSpline.derivative.ext is 'zeros'... * `#10312 <https://github.com/scipy/scipy/pull/10312>`__: FIX: Fixing a typo in a comment * `#10314 <https://github.com/scipy/scipy/pull/10314>`__: scipy.spatial enhancement request * `#10315 <https://github.com/scipy/scipy/pull/10315>`__: DOC: Update integration tutorial to solve_ivp * `#10318 <https://github.com/scipy/scipy/pull/10318>`__: DOC: update the example for PPoly.solve * `#10333 <https://github.com/scipy/scipy/pull/10333>`__: TST: add tests for stats.tvar with unflattened arrays * `#10334 <https://github.com/scipy/scipy/pull/10334>`__: MAINT: special: Remove deprecated \`hyp2f0\`, \`hyp1f2\`, and... * `#10336 <https://github.com/scipy/scipy/pull/10336>`__: BUG: linalg/interpolative: fix interp_decomp modifying input * `#10341 <https://github.com/scipy/scipy/pull/10341>`__: BUG: sparse.linalg/gmres: deprecate effect of callback on semantics... * `#10344 <https://github.com/scipy/scipy/pull/10344>`__: DOC: improve wording of mathematical formulation * `#10345 <https://github.com/scipy/scipy/pull/10345>`__: ENH: Tiled QR wrappers for scipy.linalg.lapack * `#10350 <https://github.com/scipy/scipy/pull/10350>`__: MAINT: linalg: Use the new fft subpackage in linalg.dft test... * `#10351 <https://github.com/scipy/scipy/pull/10351>`__: BUG: Fix unstable standard deviation calculation in histogram * `#10353 <https://github.com/scipy/scipy/pull/10353>`__: Bug: interpolate.NearestNDInterpolator (issue #10352) * `#10357 <https://github.com/scipy/scipy/pull/10357>`__: DOC: linalg: Refer to scipy.fft.fft (not fftpack) in the dft... * `#10359 <https://github.com/scipy/scipy/pull/10359>`__: DOC: Update roadmap now scipy.fft has been merged * `#10361 <https://github.com/scipy/scipy/pull/10361>`__: ENH: Prefer scipy.fft to scipy.fftpack in scipy.signal * `#10371 <https://github.com/scipy/scipy/pull/10371>`__: DOC: Tweaks to fft documentation * `#10372 <https://github.com/scipy/scipy/pull/10372>`__: DOC: Fix typos * `#10377 <https://github.com/scipy/scipy/pull/10377>`__: TST, MAINT: adjustments for pytest 5.0 * `#10378 <https://github.com/scipy/scipy/pull/10378>`__: ENH: _lib: allow new np.random.Generator in check_random_state * `#10379 <https://github.com/scipy/scipy/pull/10379>`__: BUG: sparse: set writeability to be forward-compatible with numpy>=1.17 * `#10381 <https://github.com/scipy/scipy/pull/10381>`__: BUG: Fixes gh-7491, pdf at x=0 of fisk/burr/burr12/f distributions. * `#10387 <https://github.com/scipy/scipy/pull/10387>`__: ENH: optimize/bfgs: don't evaluate twice at initial point for... * `#10392 <https://github.com/scipy/scipy/pull/10392>`__: [DOC] Add an example for _binned_statistic_dd * `#10396 <https://github.com/scipy/scipy/pull/10396>`__: Remove warning about output shape of zoom * `#10397 <https://github.com/scipy/scipy/pull/10397>`__: ENH: Add check_finite to sp.linalg.norm * `#10399 <https://github.com/scipy/scipy/pull/10399>`__: ENH: Add __round__ method to sparse matrix * `#10407 <https://github.com/scipy/scipy/pull/10407>`__: MAINT: drop pybind11 from install_requires, it's only build-time... * `#10408 <https://github.com/scipy/scipy/pull/10408>`__: TST: use pytest.raises, not numpy assert_raises * `#10409 <https://github.com/scipy/scipy/pull/10409>`__: CI: uninstall nose on Travis * `#10410 <https://github.com/scipy/scipy/pull/10410>`__: [ENH] ncx2 dispatch to chi2 when nc=0 * `#10411 <https://github.com/scipy/scipy/pull/10411>`__: TST: optimize: test should use assert_allclose for fp comparisons * `#10414 <https://github.com/scipy/scipy/pull/10414>`__: DOC: add pybind11 to the other part of quickstart guides * `#10417 <https://github.com/scipy/scipy/pull/10417>`__: DOC: special: don't mark non-ufuncs with a \`[+]\` * `#10423 <https://github.com/scipy/scipy/pull/10423>`__: FIX: Use pybind11::isinstace to check array dtypes * `#10424 <https://github.com/scipy/scipy/pull/10424>`__: DOC: add doctest example for binary data for ttest_ind_from_stats * `#10425 <https://github.com/scipy/scipy/pull/10425>`__: ENH: Add missing Hermitian transforms to scipy.fft * `#10426 <https://github.com/scipy/scipy/pull/10426>`__: MAINT: Fix doc build bugs * `#10431 <https://github.com/scipy/scipy/pull/10431>`__: Update numpy version for AIX * `#10433 <https://github.com/scipy/scipy/pull/10433>`__: MAINT: Minor fixes for the stats * `#10434 <https://github.com/scipy/scipy/pull/10434>`__: BUG: special: make \`ndtri\` return NaN outside domain of definition * `#10435 <https://github.com/scipy/scipy/pull/10435>`__: BUG: Allow integer input data in scipy.stats.yeojohnson * `#10438 <https://github.com/scipy/scipy/pull/10438>`__: [DOC] Add example for kurtosis * `#10440 <https://github.com/scipy/scipy/pull/10440>`__: ENH: special: make \`ellipk\` a ufunc * `#10443 <https://github.com/scipy/scipy/pull/10443>`__: MAINT: ndimage: malloc fail check * `#10447 <https://github.com/scipy/scipy/pull/10447>`__: BLD: Divert output from test compiles into a temporary directory * `#10451 <https://github.com/scipy/scipy/pull/10451>`__: MAINT: signal: malloc fail check * `#10455 <https://github.com/scipy/scipy/pull/10455>`__: BUG: special: fix values of \`hyperu\` for negative \`x\` * `#10456 <https://github.com/scipy/scipy/pull/10456>`__: DOC: Added comment clarifying the call for dcsrch.f in lbfgsb.f * `#10457 <https://github.com/scipy/scipy/pull/10457>`__: BUG: Allow ckdtree to accept empty data input * `#10459 <https://github.com/scipy/scipy/pull/10459>`__: BUG:TST: Compute lwork safely * `#10460 <https://github.com/scipy/scipy/pull/10460>`__: [DOC] Add example to entropy * `#10461 <https://github.com/scipy/scipy/pull/10461>`__: DOC: Quickstart Guide updates * `#10462 <https://github.com/scipy/scipy/pull/10462>`__: TST: special: only show max atol/rtol for test points that failed * `#10465 <https://github.com/scipy/scipy/pull/10465>`__: BUG: Correctly align fft inputs * `#10467 <https://github.com/scipy/scipy/pull/10467>`__: ENH: lower-memory duplicate generator checking in spatial.SphericalVoronoi * `#10470 <https://github.com/scipy/scipy/pull/10470>`__: ENH: Normalise the inverse DCT/DST in scipy.fft * `#10472 <https://github.com/scipy/scipy/pull/10472>`__: BENCH: adjust timeout for slow setup_cache * `#10475 <https://github.com/scipy/scipy/pull/10475>`__: CI: include python debug for Travis-ci * `#10476 <https://github.com/scipy/scipy/pull/10476>`__: TST: special: use \`__tracebackhide__\` to get better error messages * `#10477 <https://github.com/scipy/scipy/pull/10477>`__: ENH: faster region building in spatial.SphericalVoronoi * `#10479 <https://github.com/scipy/scipy/pull/10479>`__: BUG: stats: Fix a few issues with the distributions' fit method. * `#10480 <https://github.com/scipy/scipy/pull/10480>`__: Add RuntimeError in _distn_infrastructure.py in fit() method * `#10481 <https://github.com/scipy/scipy/pull/10481>`__: BENCH, MAINT: wheel_cache_size has been renamed build_cache_size * `#10494 <https://github.com/scipy/scipy/pull/10494>`__: ENH: faster circumcenter calculation in spatial.SphericalVoronoi * `#10500 <https://github.com/scipy/scipy/pull/10500>`__: Splrep _curfit_cache global variable bugfix * `#10503 <https://github.com/scipy/scipy/pull/10503>`__: BUG: spatial/qhull: get HalfspaceIntersection.dual_points from... * `#10506 <https://github.com/scipy/scipy/pull/10506>`__: DOC: interp2d, note nearest neighbor extrapolation * `#10507 <https://github.com/scipy/scipy/pull/10507>`__: MAINT: Remove fortran fftpack library in favour of pypocketfft * `#10508 <https://github.com/scipy/scipy/pull/10508>`__: TST: fix a bug in the circular import test. * `#10509 <https://github.com/scipy/scipy/pull/10509>`__: MAINT: Set up _build_utils as subpackage * `#10516 <https://github.com/scipy/scipy/pull/10516>`__: BUG: Use nogil contexts in cKDTree * `#10517 <https://github.com/scipy/scipy/pull/10517>`__: ENH: fftconvolve should not FFT broadcastable axes * `#10518 <https://github.com/scipy/scipy/pull/10518>`__: ENH: Speedup fftconvolve * `#10520 <https://github.com/scipy/scipy/pull/10520>`__: DOC: Proper .rst formatting for deprecated features and Backwards... * `#10523 <https://github.com/scipy/scipy/pull/10523>`__: DOC: Improve scipy.signal.resample documentation * `#10524 <https://github.com/scipy/scipy/pull/10524>`__: ENH: Add MGC to scipy.stats * `#10525 <https://github.com/scipy/scipy/pull/10525>`__: [ENH] ncx2.ppf dispatch to chi2 when nc=0 * `#10526 <https://github.com/scipy/scipy/pull/10526>`__: DOC: clarify laplacian normalization * `#10528 <https://github.com/scipy/scipy/pull/10528>`__: API: Rename scipy.fft DCT/DST shape argument to s * `#10531 <https://github.com/scipy/scipy/pull/10531>`__: BUG: fixed improper rotations in spatial.transform.rotation.match_vectors * `#10533 <https://github.com/scipy/scipy/pull/10533>`__: [DOC] Add example for winsorize function * `#10539 <https://github.com/scipy/scipy/pull/10539>`__: MAINT: special: don't register \`i0\` with \`numpy.dual\` * `#10540 <https://github.com/scipy/scipy/pull/10540>`__: MAINT: Fix Travis and Circle * `#10542 <https://github.com/scipy/scipy/pull/10542>`__: MAINT: interpolate: use cython_lapack * `#10547 <https://github.com/scipy/scipy/pull/10547>`__: Feature request. Add furthest site Voronoi diagrams to scipy.spatial.plotutils. * `#10549 <https://github.com/scipy/scipy/pull/10549>`__: [BUG] Fix bug in trimr when inclusive=False * `#10552 <https://github.com/scipy/scipy/pull/10552>`__: add scipy.signal.upfirdn signal extension modes * `#10555 <https://github.com/scipy/scipy/pull/10555>`__: MAINT: special: move \`c_misc\` into Cephes * `#10556 <https://github.com/scipy/scipy/pull/10556>`__: [DOC] Add example for trima * `#10562 <https://github.com/scipy/scipy/pull/10562>`__: [DOC] Fix triple string fo trimmed so that __doc__ can show... * `#10563 <https://github.com/scipy/scipy/pull/10563>`__: improve least_squares error msg for mismatched shape * `#10564 <https://github.com/scipy/scipy/pull/10564>`__: ENH: linalg: memoize get_lapack/blas_funcs to speed it up * `#10566 <https://github.com/scipy/scipy/pull/10566>`__: ENH: add implementation of solver for the maximum flow problem * `#10567 <https://github.com/scipy/scipy/pull/10567>`__: BUG: spatial: use c++11 construct for getting start of vector... * `#10568 <https://github.com/scipy/scipy/pull/10568>`__: DOC: special: small tweaks to the \`zetac\` docstring * `#10571 <https://github.com/scipy/scipy/pull/10571>`__: [ENH] Gaussian_kde can accept matrix dataset * `#10574 <https://github.com/scipy/scipy/pull/10574>`__: ENH: linalg: speed up _compute_lwork by avoiding numpy constructs * `#10582 <https://github.com/scipy/scipy/pull/10582>`__: Fix typos with typos in bundled libraries reverted * `#10583 <https://github.com/scipy/scipy/pull/10583>`__: ENH: special: add the analytic continuation of Riemann zeta * `#10584 <https://github.com/scipy/scipy/pull/10584>`__: MAINT: special: clean up \`special.__all__\` * `#10586 <https://github.com/scipy/scipy/pull/10586>`__: BUG: multidimensional scipy.fft functions should accept 's' rather... * `#10587 <https://github.com/scipy/scipy/pull/10587>`__: BUG: integrate/lsoda: never abort run, set error istate instead * `#10594 <https://github.com/scipy/scipy/pull/10594>`__: API: Replicate numpy's fftn behaviour when s is given but not... * `#10599 <https://github.com/scipy/scipy/pull/10599>`__: DOC: dev: update documentation vs. github pull request workflow... * `#10603 <https://github.com/scipy/scipy/pull/10603>`__: MAINT: installer scripts removed * `#10604 <https://github.com/scipy/scipy/pull/10604>`__: MAINT: Change c\*np.ones(...) to np.full(..., c, ...) in many... * `#10608 <https://github.com/scipy/scipy/pull/10608>`__: Univariate splines should require x to be strictly increasing... * `#10613 <https://github.com/scipy/scipy/pull/10613>`__: ENH: Add seed option for gaussian_kde.resample * `#10614 <https://github.com/scipy/scipy/pull/10614>`__: ENH: Add parallel computation to scipy.fft * `#10615 <https://github.com/scipy/scipy/pull/10615>`__: MAINT: interpolate: remove unused header file * `#10616 <https://github.com/scipy/scipy/pull/10616>`__: MAINT: Clean up 32-bit platform xfail markers * `#10618 <https://github.com/scipy/scipy/pull/10618>`__: BENCH: Added 'trust-constr' to minimize benchmarks * `#10621 <https://github.com/scipy/scipy/pull/10621>`__: [MRG] multiple stability updates in lobpcg * `#10622 <https://github.com/scipy/scipy/pull/10622>`__: MAINT: forward port 1.3.1 release notes * `#10624 <https://github.com/scipy/scipy/pull/10624>`__: DOC: stats: Fix spelling of 'support'. * `#10627 <https://github.com/scipy/scipy/pull/10627>`__: DOC: stats: Add references for the alpha distribution. * `#10629 <https://github.com/scipy/scipy/pull/10629>`__: MAINT: special: avoid overflow longer in \`zeta\` for negative... * `#10630 <https://github.com/scipy/scipy/pull/10630>`__: TST: GH10271, relax test assertion, fixes #10271 * `#10631 <https://github.com/scipy/scipy/pull/10631>`__: DOC: nelder-mean uses xatol fixes #10036 * `#10633 <https://github.com/scipy/scipy/pull/10633>`__: BUG: interpolate: integral(a, b) should be zero when both limits... * `#10635 <https://github.com/scipy/scipy/pull/10635>`__: DOC: special: complete hypergeometric functions documentation * `#10636 <https://github.com/scipy/scipy/pull/10636>`__: BUG: special: use series for \`hyp1f1\` when it converges rapidly * `#10641 <https://github.com/scipy/scipy/pull/10641>`__: ENH: allow matching of general bipartite graphs * `#10643 <https://github.com/scipy/scipy/pull/10643>`__: ENH: scipy.sparse.linalg.spsolve triangular unit diagonal * `#10650 <https://github.com/scipy/scipy/pull/10650>`__: ENH: Cythonize sosfilt * `#10654 <https://github.com/scipy/scipy/pull/10654>`__: DOC: Vertical alignment of table entries * `#10655 <https://github.com/scipy/scipy/pull/10655>`__: ENH: Dockerfile for scipy development * `#10660 <https://github.com/scipy/scipy/pull/10660>`__: TST: clean up tests for rvs in scipy.stats * `#10664 <https://github.com/scipy/scipy/pull/10664>`__: Throw error on non-finite input for binned_statistic_dd() * `#10665 <https://github.com/scipy/scipy/pull/10665>`__: DOC: special: improve the docstrings for \`gamma\` and \`gammasgn\` * `#10669 <https://github.com/scipy/scipy/pull/10669>`__: TST: Update scipy.fft real transform tests * `#10670 <https://github.com/scipy/scipy/pull/10670>`__: DOC: Clarify docs and error messages for scipy.signal.butter * `#10672 <https://github.com/scipy/scipy/pull/10672>`__: ENH: return solution attribute when using events in solve_ivp * `#10675 <https://github.com/scipy/scipy/pull/10675>`__: MAINT: special: add an explicit NaN check for \`iv\` arguments * `#10679 <https://github.com/scipy/scipy/pull/10679>`__: DOC: special: Add documentation for \`beta\` function * `#10681 <https://github.com/scipy/scipy/pull/10681>`__: TST: sparse.linalg: fix arnoldi test seed * `#10682 <https://github.com/scipy/scipy/pull/10682>`__: DOC: special: Add documentation for \`betainc\` function * `#10684 <https://github.com/scipy/scipy/pull/10684>`__: TST: special: require Mpmath 1.1.0 for \`test_hyperu_around_0\` * `#10686 <https://github.com/scipy/scipy/pull/10686>`__: FIX: sphinx isattributedescriptor is not available in sphinx... * `#10687 <https://github.com/scipy/scipy/pull/10687>`__: DOC: added Docker quickstart guide by @andyfaff * `#10689 <https://github.com/scipy/scipy/pull/10689>`__: DOC: special: clarify format of parameters/returns sections for... * `#10690 <https://github.com/scipy/scipy/pull/10690>`__: DOC: special: improve docstrings of incomplete gamma functions * `#10692 <https://github.com/scipy/scipy/pull/10692>`__: ENH: higher-dimensional input in \`spatial.SphericalVoronoi\` * `#10694 <https://github.com/scipy/scipy/pull/10694>`__: ENH: ScalarFunction.fun_and_grad * `#10698 <https://github.com/scipy/scipy/pull/10698>`__: DOC: special: Add documentation for \`betaincinv\` * `#10699 <https://github.com/scipy/scipy/pull/10699>`__: MAINT: remove time print lbfgsb fixes #8417 * `#10701 <https://github.com/scipy/scipy/pull/10701>`__: TST, MAINT: bump OpenBLAS to 0.3.7 stable * `#10702 <https://github.com/scipy/scipy/pull/10702>`__: DOC: clarify iterations consume multiple function calls * `#10703 <https://github.com/scipy/scipy/pull/10703>`__: DOC: iprint doc lbfgsb closes #5482 * `#10708 <https://github.com/scipy/scipy/pull/10708>`__: TST: test suggested in gh1758 * `#10710 <https://github.com/scipy/scipy/pull/10710>`__: ENH: Added nan_policy to circ functions in \`stats\` * `#10712 <https://github.com/scipy/scipy/pull/10712>`__: ENH: add axis parameter to stats.entropy * `#10714 <https://github.com/scipy/scipy/pull/10714>`__: DOC: Formatting fix rv_continuous.expect docs * `#10715 <https://github.com/scipy/scipy/pull/10715>`__: DOC: BLD: update doc Makefile for python version; add scipy version... * `#10717 <https://github.com/scipy/scipy/pull/10717>`__: MAINT: modernize doc/Makefile * `#10719 <https://github.com/scipy/scipy/pull/10719>`__: Enable setting minres initial vector * `#10720 <https://github.com/scipy/scipy/pull/10720>`__: DOC: silence random warning in doc build for \`stats.binned_statistic_dd\` * `#10724 <https://github.com/scipy/scipy/pull/10724>`__: DEV: Add doc option to runtests.py * `#10728 <https://github.com/scipy/scipy/pull/10728>`__: MAINT: get rid of gramA, gramB text files that lobpcg tests leave... * `#10732 <https://github.com/scipy/scipy/pull/10732>`__: DOC: add min_only to docstring for Dijkstra's algorithm * `#10734 <https://github.com/scipy/scipy/pull/10734>`__: DOC: spell out difference between source and target in shortest... * `#10735 <https://github.com/scipy/scipy/pull/10735>`__: Fix for Python 4 * `#10739 <https://github.com/scipy/scipy/pull/10739>`__: BUG: optimize/slsqp: deal with singular BFGS update * `#10741 <https://github.com/scipy/scipy/pull/10741>`__: ENH: LAPACK wrappers for ?geequ, ?geequb, ?syequb, ?heequb * `#10742 <https://github.com/scipy/scipy/pull/10742>`__: DOC: special: add to the docstring of \`gammaln\` * `#10743 <https://github.com/scipy/scipy/pull/10743>`__: ENH: special: add a real dispatch for \`wrightomega\` * `#10746 <https://github.com/scipy/scipy/pull/10746>`__: MAINT: Fix typos in comments, docs and test name * `#10747 <https://github.com/scipy/scipy/pull/10747>`__: Remove spurious quotes * `#10750 <https://github.com/scipy/scipy/pull/10750>`__: MAINT: make cython code more precise * `#10751 <https://github.com/scipy/scipy/pull/10751>`__: MAINT: Check that scipy.linalg.lapack functions are documented * `#10752 <https://github.com/scipy/scipy/pull/10752>`__: MAINT: special: use \`sf_error\` in Cephes * `#10755 <https://github.com/scipy/scipy/pull/10755>`__: DOC: cluster: Add 'See Also' and 'Examples' for kmeans2. * `#10763 <https://github.com/scipy/scipy/pull/10763>`__: MAINT: list of minimize methods * `#10768 <https://github.com/scipy/scipy/pull/10768>`__: BUG: Fix corner case for sos2zpk * `#10773 <https://github.com/scipy/scipy/pull/10773>`__: Fix error type for complex input to scipy.fftpack.rfft and irfft * `#10776 <https://github.com/scipy/scipy/pull/10776>`__: ENH: handle geodesic input in \`spatial.SphericalVoronoi\` * `#10777 <https://github.com/scipy/scipy/pull/10777>`__: MAINT: minimizer-->custom should handle the kinds of bounds/constrain…... * `#10781 <https://github.com/scipy/scipy/pull/10781>`__: ENH: solve_triangular C order improvement * `#10787 <https://github.com/scipy/scipy/pull/10787>`__: Fix behavior of \`exp1\` on branch cut and add docstring * `#10789 <https://github.com/scipy/scipy/pull/10789>`__: DOC: special: add parameters/returns doc sections for erfc/erfcx/erfi * `#10790 <https://github.com/scipy/scipy/pull/10790>`__: Travis CI: sudo is deprecated and Xenial is default distro * `#10792 <https://github.com/scipy/scipy/pull/10792>`__: DOC: special: add full docstring for \`expi\` * `#10799 <https://github.com/scipy/scipy/pull/10799>`__: DOC: special: add a complete docstring for \`expn\` * `#10800 <https://github.com/scipy/scipy/pull/10800>`__: Docs edits (GSoD) * `#10802 <https://github.com/scipy/scipy/pull/10802>`__: BUG: fix UnboundLocalError in Radau (scipy#10775) * `#10804 <https://github.com/scipy/scipy/pull/10804>`__: ENH: Speed up next_fast_len with LRU cache * `#10805 <https://github.com/scipy/scipy/pull/10805>`__: DOC: Fix unbalanced quotes in signal.place_poles * `#10809 <https://github.com/scipy/scipy/pull/10809>`__: ENH: Speed up next_fast_len * `#10810 <https://github.com/scipy/scipy/pull/10810>`__: ENH: Raise catchable exceptions for bad Fortran files * `#10811 <https://github.com/scipy/scipy/pull/10811>`__: MAINT: optimize: Remove extra variable from _remove_redundancy_dense * `#10813 <https://github.com/scipy/scipy/pull/10813>`__: MAINT: special: Remove unused variables from _kolmogi and _smirnovi * `#10815 <https://github.com/scipy/scipy/pull/10815>`__: DOC, API: scipy.stats.reciprocal is "log-uniform" * `#10816 <https://github.com/scipy/scipy/pull/10816>`__: MAINT: special: remove deprecated \`bessel_diff_formula\` * `#10817 <https://github.com/scipy/scipy/pull/10817>`__: DOC: special: complete the docstring for \`fresnel\` * `#10820 <https://github.com/scipy/scipy/pull/10820>`__: Fixed compiler_helper.py to allow compilation with ICC on Linux * `#10823 <https://github.com/scipy/scipy/pull/10823>`__: DOC: updated reference guide text for consistency in writing... * `#10825 <https://github.com/scipy/scipy/pull/10825>`__: MAINT: special: change some features of the Voigt function * `#10828 <https://github.com/scipy/scipy/pull/10828>`__: MAINT: integrate: Remove unused variable from init_callback * `#10830 <https://github.com/scipy/scipy/pull/10830>`__: Adding LOBPCG solver in svds in addition to ARPACK * `#10837 <https://github.com/scipy/scipy/pull/10837>`__: WIP: ENH: reduction function for \`spatial.tranform.Rotation\`... * `#10843 <https://github.com/scipy/scipy/pull/10843>`__: ENH: Adding optional parameter to stats.zscores to allow for... * `#10845 <https://github.com/scipy/scipy/pull/10845>`__: Rebase kruskal fix * `#10847 <https://github.com/scipy/scipy/pull/10847>`__: remove redundant __getitem__ from scipy.sparse.lil * `#10848 <https://github.com/scipy/scipy/pull/10848>`__: Better handling of empty (not missing) docstrings * `#10849 <https://github.com/scipy/scipy/pull/10849>`__: ENH: implement rmatmat for LinearOperator * `#10850 <https://github.com/scipy/scipy/pull/10850>`__: MAINT : Refactoring lil List of Lists * `#10851 <https://github.com/scipy/scipy/pull/10851>`__: DOC: add a generative art example to the scipy.spatial tutorial. * `#10852 <https://github.com/scipy/scipy/pull/10852>`__: DOC: linalg: fixed gh-10838 unused imports in example deleted * `#10854 <https://github.com/scipy/scipy/pull/10854>`__: DOC: special: add a full docstring for \`pdtr\` * `#10861 <https://github.com/scipy/scipy/pull/10861>`__: ENH: option to reuse binnumbers in stats.binned_statistic_dd * `#10863 <https://github.com/scipy/scipy/pull/10863>`__: DOC: partial standardization and validation of scipy.stats reference... * `#10865 <https://github.com/scipy/scipy/pull/10865>`__: BUG: special: fix incomplete gamma functions for infinite \`a\` * `#10866 <https://github.com/scipy/scipy/pull/10866>`__: ENH: calculation of mean in spatial.transform.Rotation * `#10867 <https://github.com/scipy/scipy/pull/10867>`__: MAINT: Also store latex directory * `#10869 <https://github.com/scipy/scipy/pull/10869>`__: ENH: Implement overlap-add convolution * `#10870 <https://github.com/scipy/scipy/pull/10870>`__: ENH: Do not raise EOF error if wavfile data read * `#10876 <https://github.com/scipy/scipy/pull/10876>`__: ENH: Add beta-binomial distribution to scipy.stats * `#10878 <https://github.com/scipy/scipy/pull/10878>`__: MAINT: Update R project URL * `#10883 <https://github.com/scipy/scipy/pull/10883>`__: MAINT: (ndimage) More robust check for output being a numpy dtype * `#10884 <https://github.com/scipy/scipy/pull/10884>`__: DOC: Added instructions on adding a new distribution to scipy.stats. * `#10885 <https://github.com/scipy/scipy/pull/10885>`__: [BUG] fix lobpcg with maxiter=None results in Exception * `#10899 <https://github.com/scipy/scipy/pull/10899>`__: ENH: Match R functionality for hmean * `#10900 <https://github.com/scipy/scipy/pull/10900>`__: MAINT: stats: Use keepdims to simplify a few lines in power_divergence. * `#10901 <https://github.com/scipy/scipy/pull/10901>`__: ENH: sparse/linalg: support pydata/sparse matrices * `#10907 <https://github.com/scipy/scipy/pull/10907>`__: Check whether \`maxiter\` is integer * `#10912 <https://github.com/scipy/scipy/pull/10912>`__: ENH: warn user that quad() ignores \`points=...\` when \`weight=...\`... * `#10918 <https://github.com/scipy/scipy/pull/10918>`__: CI: fix Travis CI py3.8 build * `#10920 <https://github.com/scipy/scipy/pull/10920>`__: MAINT: Update constants to codata 2018 values (second try) * `#10921 <https://github.com/scipy/scipy/pull/10921>`__: ENH: scipy.sparse.lil: tocsr accelerated * `#10924 <https://github.com/scipy/scipy/pull/10924>`__: BUG: Forbid passing 'args' as kwarg in scipy.optimize.curve_fit * `#10928 <https://github.com/scipy/scipy/pull/10928>`__: DOC: Add examples to io.wavfile docstrings * `#10934 <https://github.com/scipy/scipy/pull/10934>`__: typo fix * `#10935 <https://github.com/scipy/scipy/pull/10935>`__: BUG: Avoid undefined behaviour on float to unsigned conversion * `#10936 <https://github.com/scipy/scipy/pull/10936>`__: DOC: Added missing example to stats.mstats.variation * `#10939 <https://github.com/scipy/scipy/pull/10939>`__: ENH: scipy.sparse.lil: tocsr accelerated depending on density * `#10946 <https://github.com/scipy/scipy/pull/10946>`__: BUG: setting verbose > 2 in minimize with trust-constr method... * `#10947 <https://github.com/scipy/scipy/pull/10947>`__: DOC: special: small improvements to the \`poch\` docstring * `#10949 <https://github.com/scipy/scipy/pull/10949>`__: BUG: fix return type of erlang_gen._argcheck * `#10951 <https://github.com/scipy/scipy/pull/10951>`__: DOC: fixed Ricker wavelet formula * `#10954 <https://github.com/scipy/scipy/pull/10954>`__: BUG: special: fix \`factorial\` return type for 0-d inputs * `#10955 <https://github.com/scipy/scipy/pull/10955>`__: MAINT: Relax the assert_unitary atol value * `#10956 <https://github.com/scipy/scipy/pull/10956>`__: WIP: make pdtr(int, double) be pdtr(double, double) * `#10957 <https://github.com/scipy/scipy/pull/10957>`__: BUG: Ensure full binary compatibility of long double test data * `#10964 <https://github.com/scipy/scipy/pull/10964>`__: ENH: Make Slerp callable with a scalar argument * `#10972 <https://github.com/scipy/scipy/pull/10972>`__: BUG: Handle complex gains in zpk2sos * `#10975 <https://github.com/scipy/scipy/pull/10975>`__: TST: skip test_kendalltau ppc64le * `#10978 <https://github.com/scipy/scipy/pull/10978>`__: BUG: boxcox data dimension and constancy check #5112 * `#10979 <https://github.com/scipy/scipy/pull/10979>`__: API: Rename dcm to (rotation) matrix in Rotation class * `#10981 <https://github.com/scipy/scipy/pull/10981>`__: MAINT: add support for a==0 and x>0 edge case to igam and igamc * `#10986 <https://github.com/scipy/scipy/pull/10986>`__: MAINT: Remove direct imports from numpy in signaltools.py * `#10988 <https://github.com/scipy/scipy/pull/10988>`__: BUG: signal: fixed issue #10360 * `#10989 <https://github.com/scipy/scipy/pull/10989>`__: FIX binned_statistic_dd Mac wheel test fails * `#10990 <https://github.com/scipy/scipy/pull/10990>`__: BUG: Fix memory leak in shgo triangulation * `#10992 <https://github.com/scipy/scipy/pull/10992>`__: TST: Relax tolerance in upfirdn test_modes * `#10993 <https://github.com/scipy/scipy/pull/10993>`__: TST: bump tolerance in optimize tests * `#10997 <https://github.com/scipy/scipy/pull/10997>`__: MAINT: Rework residue and residuez * `#11001 <https://github.com/scipy/scipy/pull/11001>`__: DOC: Updated Windows build tutorial * `#11004 <https://github.com/scipy/scipy/pull/11004>`__: BUG: integrate/quad_vec: fix several bugs in quad_vec * `#11005 <https://github.com/scipy/scipy/pull/11005>`__: TST: add Python 3.8 Win CI * `#11006 <https://github.com/scipy/scipy/pull/11006>`__: DOC: special: add a reference for \`kl_div\` * `#11012 <https://github.com/scipy/scipy/pull/11012>`__: MAINT: Rework invres and invresz * `#11015 <https://github.com/scipy/scipy/pull/11015>`__: DOC: special: add references for \`rel_entr\` * `#11017 <https://github.com/scipy/scipy/pull/11017>`__: DOC: numpydoc validation of morestats.py * `#11018 <https://github.com/scipy/scipy/pull/11018>`__: MAINT: Filter unrelated warning * `#11031 <https://github.com/scipy/scipy/pull/11031>`__: MAINT: update choose_conv_method for pocketfft implementation * `#11034 <https://github.com/scipy/scipy/pull/11034>`__: MAINT: TST: Skip tests with multiprocessing that use "spawn"... * `#11036 <https://github.com/scipy/scipy/pull/11036>`__: DOC: update doc/README with some more useful content. * `#11037 <https://github.com/scipy/scipy/pull/11037>`__: DOC: special: add a complete docstring for \`rgamma\` * `#11038 <https://github.com/scipy/scipy/pull/11038>`__: DOC: special: add a reference for the polygamma function * `#11042 <https://github.com/scipy/scipy/pull/11042>`__: TST: fix tf2zpk test failure due to incorrect complex sorting. * `#11044 <https://github.com/scipy/scipy/pull/11044>`__: MAINT: choose_conv_method can choose fftconvolution for longcomplex * `#11046 <https://github.com/scipy/scipy/pull/11046>`__: TST: Reduce tolerance for ppc64le with reference lapack * `#11048 <https://github.com/scipy/scipy/pull/11048>`__: DOC: special: add reference for orthogonal polynomial functions * `#11049 <https://github.com/scipy/scipy/pull/11049>`__: MAINT: proper random number initialization and readability fix * `#11051 <https://github.com/scipy/scipy/pull/11051>`__: MAINT: pep8 cleanup * `#11054 <https://github.com/scipy/scipy/pull/11054>`__: TST: bump test precision for dual_annealing SLSQP test * `#11055 <https://github.com/scipy/scipy/pull/11055>`__: DOC: special: add a reference for \`zeta\` * `#11056 <https://github.com/scipy/scipy/pull/11056>`__: API: Deprecated normalized keyword in Rotation * `#11065 <https://github.com/scipy/scipy/pull/11065>`__: DOC: Ubuntu Development Environment Quickstart should not modify... * `#11066 <https://github.com/scipy/scipy/pull/11066>`__: BUG: skip deprecation for numpy top-level types * `#11067 <https://github.com/scipy/scipy/pull/11067>`__: DOC: updated documentation for consistency in writing style * `#11070 <https://github.com/scipy/scipy/pull/11070>`__: DOC: Amendment to Ubuntu Development Environment Quickstart should... * `#11073 <https://github.com/scipy/scipy/pull/11073>`__: DOC: fix 1.4.0 release notes * `#11081 <https://github.com/scipy/scipy/pull/11081>`__: API: Replace Rotation.match_vectors with align_vectors * `#11083 <https://github.com/scipy/scipy/pull/11083>`__: DOC: more 1.4.0 release note fixes * `#11092 <https://github.com/scipy/scipy/pull/11092>`__: BUG: stats: fix freezing of some distributions * `#11096 <https://github.com/scipy/scipy/pull/11096>`__: BUG: scipy.sparse.csgraph: fixed issue #10774 * `#11124 <https://github.com/scipy/scipy/pull/11124>`__: fix Cython warnings related to _stats.pyx * `#11126 <https://github.com/scipy/scipy/pull/11126>`__: BUG: interpolate/fitpack: fix memory leak in splprep * `#11127 <https://github.com/scipy/scipy/pull/11127>`__: Avoid potential segfault in CSR and CSC matrix indexing * `#11152 <https://github.com/scipy/scipy/pull/11152>`__: BUG: Fix random state bug multiscale_graphcorr * `#11166 <https://github.com/scipy/scipy/pull/11166>`__: BUG: empty sparse slice shapes * `#11167 <https://github.com/scipy/scipy/pull/11167>`__: BUG: redundant fft 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