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Hi all,

On behalf of the SciPy development team I'm pleased to announce the release candidate SciPy 1.3.0rc2. Please help us test this pre-release.

The primary motivation for the second release candidate to is to update wheels to use a more recent OpenBLAS with fixes for SkylakeX AVX kernel problems.

Sources and binary wheels can be found at: https://pypi.org/project/scipy/ and at: https://github.com/scipy/scipy/releases/tag/v1.3.0rc2

One of a few ways to install the release candidate with pip:

pip install scipy==1.3.0rc2

========================== SciPy 1.3.0 Release Notes ==========================

Note: Scipy 1.3.0 is not released yet!

SciPy 1.3.0 is the culmination of 5 months of hard work. It contains many new features, numerous bug-fixes, improved test coverage and better documentation. There have been some 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 1.3.x branch, and on adding new features on the master branch.

This release requires Python 3.5+ and NumPy 1.13.3 or greater.

For running on PyPy, PyPy3 6.0+ and NumPy 1.15.0 are required.

Highlights of this release - --------------------------

- - Three new ``stats`` functions, a rewrite of ``pearsonr``, and an exact computation of the Kolmogorov-Smirnov two-sample test - - A new Cython API for bounded scalar-function root-finders in `scipy.optimize` - - Substantial ``CSR`` and ``CSC`` sparse matrix indexing performance improvements - - Added support for interpolation of rotations with continuous angular rate and acceleration in ``RotationSpline``

New features ============

`scipy.interpolate` improvements - --------------------------------

A new class ``CubicHermiteSpline`` is introduced. It is a piecewise-cubic interpolator which matches observed values and first derivatives. Existing cubic interpolators ``CubicSpline``, ``PchipInterpolator`` and ``Akima1DInterpolator`` were made subclasses of ``CubicHermiteSpline``.

`scipy.io` improvements - -----------------------

For the Attribute-Relation File Format (ARFF) `scipy.io.arff.loadarff` now supports relational attributes.

`scipy.io.mmread` can now parse Matrix Market format files with empty lines.

`scipy.linalg` improvements - ---------------------------

Added wrappers for ``?syconv`` routines, which convert a symmetric matrix given by a triangular matrix factorization into two matrices and vice versa.

`scipy.linalg.clarkson_woodruff_transform` now uses an algorithm that leverages sparsity. This may provide a 60-90 percent speedup for dense input matrices. Truly sparse input matrices should also benefit from the improved sketch algorithm, which now correctly runs in ``O(nnz(A))`` time.

Added new functions to calculate symmetric Fiedler matrices and Fiedler companion matrices, named `scipy.linalg.fiedler` and `scipy.linalg.fiedler_companion`, respectively. These may be used for root finding.

`scipy.ndimage` improvements - ----------------------------

Gaussian filter performances may improve by an order of magnitude in some cases, thanks to removal of a dependence on ``np.polynomial``. This may impact `scipy.ndimage.gaussian_filter` for example.

`scipy.optimize` improvements - -----------------------------

The `scipy.optimize.brute` minimizer obtained a new keyword ``workers``, which can be used to parallelize computation.

A Cython API for bounded scalar-function root-finders in `scipy.optimize` is available in a new module `scipy.optimize.cython_optimize` via ``cimport``. This API may be used with ``nogil`` and ``prange`` to loop over an array of function arguments to solve for an array of roots more quickly than with pure Python.

``'interior-point'`` is now the default method for ``linprog``, and ``'interior-point'`` now uses SuiteSparse for sparse problems when the required scikits (scikit-umfpack and scikit-sparse) are available. On benchmark problems (gh-10026), execution time reductions by factors of 2-3 were typical. Also, a new ``method='revised simplex'`` has been added. It is not as fast or robust as ``method='interior-point'``, but it is a faster, more robust, and equally accurate substitute for the legacy ``method='simplex'``.

``differential_evolution`` can now use a ``Bounds`` class to specify the bounds for the optimizing argument of a function.

`scipy.optimize.dual_annealing` performance improvements related to vectorisation of some internal code.

`scipy.signal` improvements - ---------------------------

Two additional methods of discretization are now supported by `scipy.signal.cont2discrete`: ``impulse`` and ``foh``.

`scipy.signal.firls` now uses faster solvers

`scipy.signal.detrend` now has a lower physical memory footprint in some cases, which may be leveraged using the new ``overwrite_data`` keyword argument

`scipy.signal.firwin` ``pass_zero`` argument now accepts new string arguments that allow specification of the desired filter type: ``'bandpass'``, ``'lowpass'``, ``'highpass'``, and ``'bandstop'``

`scipy.signal.sosfilt` may have improved performance due to lower retention of the global interpreter lock (GIL) in algorithm

`scipy.sparse` improvements - ---------------------------

A new keyword was added to ``csgraph.dijsktra`` that allows users to query the shortest path to ANY of the passed in indices, as opposed to the shortest path to EVERY passed index.

`scipy.sparse.linalg.lsmr` performance has been improved by roughly 10 percent on large problems

Improved performance and reduced physical memory footprint of the algorithm used by `scipy.sparse.linalg.lobpcg`

``CSR`` and ``CSC`` sparse matrix fancy indexing performance has been improved substantially

`scipy.spatial` improvements - ----------------------------

`scipy.spatial.ConvexHull` now has a ``good`` attribute that can be used alongsize the ``QGn`` Qhull options to determine which external facets of a convex hull are visible from an external query point.

`scipy.spatial.cKDTree.query_ball_point` has been modernized to use some newer Cython features, including GIL handling and exception translation. An issue with ``return_sorted=True`` and scalar queries was fixed, and a new mode named ``return_length`` was added. ``return_length`` only computes the length of the returned indices list instead of allocating the array every time.

`scipy.spatial.transform.RotationSpline` has been added to enable interpolation of rotations with continuous angular rates and acceleration

`scipy.stats` improvements - --------------------------

Added a new function to compute the Epps-Singleton test statistic, `scipy.stats.epps_singleton_2samp`, which can be applied to continuous and discrete distributions.

New functions `scipy.stats.median_absolute_deviation` and `scipy.stats.gstd` (geometric standard deviation) were added. The `scipy.stats.combine_pvalues` method now supports ``pearson``, ``tippett`` and ``mudholkar_george`` pvalue combination methods.

The `scipy.stats.ortho_group` and `scipy.stats.special_ortho_group` ``rvs(dim)`` functions' algorithms were updated from a ``O(dim^4)`` implementation to a ``O(dim^3)`` which gives large speed improvements for ``dim>100``.

A rewrite of `scipy.stats.pearsonr` to use a more robust algorithm, provide meaningful exceptions and warnings on potentially pathological input, and fix at least five separate reported issues in the original implementation.

Improved the precision of ``hypergeom.logcdf`` and ``hypergeom.logsf``.

Added exact computation for Kolmogorov-Smirnov (KS) two-sample test, replacing the previously approximate computation for the two-sided test `stats.ks_2samp`. Also added a one-sided, two-sample KS test, and a keyword ``alternative`` to `stats.ks_2samp`.

Backwards incompatible changes ==============================

`scipy.interpolate` changes - ---------------------------

Functions from ``scipy.interpolate`` (``spleval``, ``spline``, ``splmake``, and ``spltopp``) and functions from ``scipy.misc`` (``bytescale``, ``fromimage``, ``imfilter``, ``imread``, ``imresize``, ``imrotate``, ``imsave``, ``imshow``, ``toimage``) have been removed. The former set has been deprecated since v0.19.0 and the latter has been deprecated since v1.0.0. Similarly, aliases from ``scipy.misc`` (``comb``, ``factorial``, ``factorial2``, ``factorialk``, ``logsumexp``, ``pade``, ``info``, ``source``, ``who``) which have been deprecated since v1.0.0 are removed. `SciPy documentation for v1.1.0 https://docs.scipy.org/doc/scipy-1.1.0/reference/misc.html`__ can be used to track the new import locations for the relocated functions.

`scipy.linalg` changes - ----------------------

For ``pinv``, ``pinv2``, and ``pinvh``, the default cutoff values are changed for consistency (see the docs for the actual values).

`scipy.stats` changes - ---------------------

Previously, ``ks_2samp(data1, data2)`` would run a two-sided test and return the approximated p-value. The new signature, ``ks_2samp(data1, data2, alternative="two-sided", method="auto")``, still runs the two-sided test by default but returns the exact p-value for small samples and the approximated value for large samples. ``method="asymp"`` would be equivalent to the old version but ``auto`` is the better choice.

Other changes =============

Our tutorial has been expanded with a new section on global optimizers

There has been a rework of the ``stats.distributions`` tutorials.

`scipy.optimize` now correctly sets the convergence flag of the result to ``CONVERR``, a convergence error, for bounded scalar-function root-finders if the maximum iterations has been exceeded, ``disp`` is false, and ``full_output`` is true.

`scipy.optimize.curve_fit` no longer fails if ``xdata`` and ``ydata`` dtypes differ; they are both now automatically cast to ``float64``.

`scipy.ndimage` functions including ``binary_erosion``, ``binary_closing``, and ``binary_dilation`` now require an integer value for the number of iterations, which alleviates a number of reported issues.

Fixed normal approximation in case ``zero_method == "pratt"`` in `scipy.stats.wilcoxon`.

Fixes for incorrect probabilities, broadcasting issues and thread-safety related to stats distributions setting member variables inside ``_argcheck()``.

`scipy.optimize.newton` now correctly raises a ``RuntimeError``, when default arguments are used, in the case that a derivative of value zero is obtained, which is a special case of failing to converge.

A draft toolchain roadmap is now available, laying out a compatibility plan including Python versions, C standards, and NumPy versions.

Authors =======

* ananyashreyjain + * ApamNapat + * Scott Calabrese Barton + * Christoph Baumgarten * Peter Bell + * Jacob Blomgren + * Doctor Bob + * Mana Borwornpadungkitti + * Matthew Brett * Evgeni Burovski * CJ Carey * Vega Theil Carstensen + * Robert Cimrman * Forrest Collman + * Pietro Cottone + * David + * Idan David + * Christoph Deil * Dieter Werthmüller * Conner DiPaolo + * Dowon * Michael Dunphy + * Peter Andreas Entschev + * Gökçen Eraslan + * Johann Faouzi + * Yu Feng * Piotr Figiel + * Matthew H Flamm * Franz Forstmayr + * Christoph Gohlke * Richard Janis Goldschmidt + * Ralf Gommers * Lars Grueter * Sylvain Gubian * Matt Haberland * Yaroslav Halchenko * Charles Harris * Lindsey Hiltner * JakobStruye + * He Jia + * Jwink3101 + * Greg Kiar + * Julius Bier Kirkegaard * John Kirkham + * Thomas Kluyver * Vladimir Korolev + * Joseph Kuo + * Michael Lamparski + * Eric Larson * Denis Laxalde * Katrin Leinweber * Jesse Livezey * ludcila + * Dhruv Madeka + * Magnus + * Nikolay Mayorov * Mark Mikofski * Jarrod Millman * Markus Mohrhard + * Eric Moore * Andrew Nelson * Aki Nishimura + * OGordon100 + * Petar Mlinarić + * Stefan Peterson * Matti Picus + * Ilhan Polat * Aaron Pries + * Matteo Ravasi + * Tyler Reddy * Ashton Reimer + * Joscha Reimer * rfezzani + * Riadh + * Lucas Roberts * Heshy Roskes + * Mirko Scholz + * Taylor D. Scott + * Srikrishna Sekhar + * Kevin Sheppard + * Sourav Singh * skjerns + * Kai Striega * SyedSaifAliAlvi + * Gopi Manohar T + * Albert Thomas + * Timon + * Paul van Mulbregt * Jacob Vanderplas * Daniel Vargas + * Pauli Virtanen * VNMabus + * Stefan van der Walt * Warren Weckesser * Josh Wilson * Nate Yoder + * Roman Yurchak

A total of 97 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 1.3.0 - -----------------------

* `#1320 https://github.com/scipy/scipy/issues/1320`__: scipy.stats.distribution: problem with self.a, self.b if they... * `#2002 https://github.com/scipy/scipy/issues/2002`__: members set in scipy.stats.distributions.##._argcheck (Trac #1477) * `#2823 https://github.com/scipy/scipy/issues/2823`__: distribution methods add tmp * `#3220 https://github.com/scipy/scipy/issues/3220`__: Scipy.opimize.fmin_powell direc argument syntax unclear * `#3728 https://github.com/scipy/scipy/issues/3728`__: scipy.stats.pearsonr: possible bug with zero variance input * `#6805 https://github.com/scipy/scipy/issues/6805`__: error-in-scipy-wilcoxon-signed-rank-test-for-equal-series * `#6873 https://github.com/scipy/scipy/issues/6873`__: 'stats.boxcox' return all same values * `#7117 https://github.com/scipy/scipy/issues/7117`__: Warn users when using float32 input data to curve_fit and friends * `#7632 https://github.com/scipy/scipy/issues/7632`__: it's not possible to tell the `optimize.least_squares` solver... * `#7730 https://github.com/scipy/scipy/issues/7730`__: stats.pearsonr: Potential division by zero for dataset of length... * `#7933 https://github.com/scipy/scipy/issues/7933`__: stats.truncnorm fails when providing values outside truncation... * `#8033 https://github.com/scipy/scipy/issues/8033`__: Add standard filter types to firwin to set pass_zero intuitively... * `#8600 https://github.com/scipy/scipy/issues/8600`__: lfilter.c.src zfill has erroneous header * `#8692 https://github.com/scipy/scipy/issues/8692`__: Non-negative values of `stats.hypergeom.logcdf` * `#8734 https://github.com/scipy/scipy/issues/8734`__: Enable pip build isolation * `#8861 https://github.com/scipy/scipy/issues/8861`__: scipy.linalg.pinv gives wrong result while scipy.linalg.pinv2... * `#8915 https://github.com/scipy/scipy/issues/8915`__: need to fix macOS build against older numpy versions * `#8980 https://github.com/scipy/scipy/issues/8980`__: scipy.stats.pearsonr overflows with high values of x and y * `#9226 https://github.com/scipy/scipy/issues/9226`__: BUG: signal: SystemError: <built-in function _linear_filter>... * `#9254 https://github.com/scipy/scipy/issues/9254`__: BUG: root finders brentq, etc, flag says "converged" even if... * `#9308 https://github.com/scipy/scipy/issues/9308`__: Test failure - test_initial_constraints_as_canonical * `#9353 https://github.com/scipy/scipy/issues/9353`__: scipy.stats.pearsonr returns r=1 if r_num/r_den = inf * `#9359 https://github.com/scipy/scipy/issues/9359`__: Planck distribution is a geometric distribution * `#9381 https://github.com/scipy/scipy/issues/9381`__: linregress should warn user in 2x2 array case * `#9406 https://github.com/scipy/scipy/issues/9406`__: BUG: stats: In pearsonr, when r is nan, the p-value must also... * `#9437 https://github.com/scipy/scipy/issues/9437`__: Cannot create sparse matrix from size_t indexes * `#9518 https://github.com/scipy/scipy/issues/9518`__: Relational attributes in loadarff * `#9551 https://github.com/scipy/scipy/issues/9551`__: BUG: scipy.optimize.newton says the root of x^2+1 is zero. * `#9564 https://github.com/scipy/scipy/issues/9564`__: rv_sample accepts invalid input in scipy.stats * `#9565 https://github.com/scipy/scipy/issues/9565`__: improper handling of multidimensional input in stats.rv_sample * `#9581 https://github.com/scipy/scipy/issues/9581`__: Least-squares minimization fails silently when x and y data are... * `#9587 https://github.com/scipy/scipy/issues/9587`__: Outdated value for scipy.constants.au * `#9611 https://github.com/scipy/scipy/issues/9611`__: Overflow error with new way of p-value calculation in kendall... * `#9645 https://github.com/scipy/scipy/issues/9645`__: `scipy.stats.mode` crashes with variable length arrays (`dtype=object`) * `#9734 https://github.com/scipy/scipy/issues/9734`__: PendingDeprecationWarning for np.matrix with pytest * `#9786 https://github.com/scipy/scipy/issues/9786`__: stats.ks_2samp() misleading for small data sets. * `#9790 https://github.com/scipy/scipy/issues/9790`__: Excessive memory usage on detrend * `#9801 https://github.com/scipy/scipy/issues/9801`__: dual_annealing does not set the success attribute in OptimizeResult * `#9833 https://github.com/scipy/scipy/issues/9833`__: IntegrationWarning from mielke.stats() during build of html doc. * `#9835 https://github.com/scipy/scipy/issues/9835`__: scipy.signal.firls seems to be inefficient versus MATLAB firls * `#9864 https://github.com/scipy/scipy/issues/9864`__: Curve_fit does not check for empty input data if called with... * `#9869 https://github.com/scipy/scipy/issues/9869`__: scipy.ndimage.label: Minor documentation issue * `#9882 https://github.com/scipy/scipy/issues/9882`__: format at the wrong paranthesis in scipy.spatial.transform * `#9889 https://github.com/scipy/scipy/issues/9889`__: scipy.signal.find_peaks minor documentation issue * `#9890 https://github.com/scipy/scipy/issues/9890`__: Minkowski p-norm Issues in cKDTree For Values Other Than 2 Or... * `#9896 https://github.com/scipy/scipy/issues/9896`__: scipy.stats._argcheck sets (not just checks) values * `#9905 https://github.com/scipy/scipy/issues/9905`__: Memory error in ndimage.binary_erosion * `#9909 https://github.com/scipy/scipy/issues/9909`__: binary_dilation/erosion/closing crashes when iterations is float * `#9919 https://github.com/scipy/scipy/issues/9919`__: BUG: `coo_matrix` does not validate the `shape` argument. * `#9982 https://github.com/scipy/scipy/issues/9982`__: lsq_linear hangs/infinite loop with 'trf' method * `#10003 https://github.com/scipy/scipy/issues/10003`__: exponnorm.pdf returns NAN for small K * `#10011 https://github.com/scipy/scipy/issues/10011`__: Incorrect check for invalid rotation plane in scipy.ndimage.rotate * `#10024 https://github.com/scipy/scipy/issues/10024`__: Fails to build from git * `#10048 https://github.com/scipy/scipy/issues/10048`__: DOC: scipy.optimize.root_scalar * `#10068 https://github.com/scipy/scipy/issues/10068`__: DOC: scipy.interpolate.splev * `#10074 https://github.com/scipy/scipy/issues/10074`__: BUG: `expm` calculates the wrong coefficients in the backward...

Pull requests for 1.3.0 - -----------------------

* `#7827 https://github.com/scipy/scipy/pull/7827`__: ENH: sparse: overhaul of sparse matrix indexing * `#8431 https://github.com/scipy/scipy/pull/8431`__: ENH: Cython optimize zeros api * `#8743 https://github.com/scipy/scipy/pull/8743`__: DOC: Updated linalg.pinv, .pinv2, .pinvh docstrings * `#8744 https://github.com/scipy/scipy/pull/8744`__: DOC: added examples to remez docstring * `#9227 https://github.com/scipy/scipy/pull/9227`__: DOC: update description of "direc" parameter of "fmin_powell" * `#9263 https://github.com/scipy/scipy/pull/9263`__: ENH: optimize: added "revised simplex" for scipy.optimize.linprog * `#9325 https://github.com/scipy/scipy/pull/9325`__: DEP: Remove deprecated functions for 1.3.0 * `#9330 https://github.com/scipy/scipy/pull/9330`__: Add note on push and pull affine transformations * `#9423 https://github.com/scipy/scipy/pull/9423`__: DOC: Clearly state how 2x2 input arrays are handled in stats.linregress * `#9428 https://github.com/scipy/scipy/pull/9428`__: ENH: parallelised brute * `#9438 https://github.com/scipy/scipy/pull/9438`__: BUG: Initialize coo matrix with size_t indexes * `#9455 https://github.com/scipy/scipy/pull/9455`__: MAINT: Speed up get_(lapack,blas)_func * `#9465 https://github.com/scipy/scipy/pull/9465`__: MAINT: Clean up optimize.zeros C solvers interfaces/code. * `#9477 https://github.com/scipy/scipy/pull/9477`__: DOC: linalg: fix lstsq docstring on residues shape * `#9478 https://github.com/scipy/scipy/pull/9478`__: DOC: Add docstring examples for rosen functions * `#9479 https://github.com/scipy/scipy/pull/9479`__: DOC: Add docstring example for ai_zeros and bi_zeros * `#9480 https://github.com/scipy/scipy/pull/9480`__: MAINT: linalg: lstsq clean up * `#9489 https://github.com/scipy/scipy/pull/9489`__: DOC: roadmap update for changes over the last year. * `#9492 https://github.com/scipy/scipy/pull/9492`__: MAINT: stats: Improve implementation of chi2 ppf method. * `#9497 https://github.com/scipy/scipy/pull/9497`__: DOC: Improve docstrings sparse.linalg.isolve * `#9499 https://github.com/scipy/scipy/pull/9499`__: DOC: Replace "Scipy" with "SciPy" in the .rst doc files for consistency. * `#9500 https://github.com/scipy/scipy/pull/9500`__: DOC: Document the toolchain and its roadmap. * `#9505 https://github.com/scipy/scipy/pull/9505`__: DOC: specify which definition of skewness is used * `#9511 https://github.com/scipy/scipy/pull/9511`__: DEP: interpolate: remove deprecated interpolate_wrapper * `#9517 https://github.com/scipy/scipy/pull/9517`__: BUG: improve error handling in stats.iqr * `#9522 https://github.com/scipy/scipy/pull/9522`__: ENH: Add Fiedler and fiedler companion to special matrices * `#9526 https://github.com/scipy/scipy/pull/9526`__: TST: relax precision requirements in signal.correlate tests * `#9529 https://github.com/scipy/scipy/pull/9529`__: DOC: fix missing random seed in optimize.newton example * `#9533 https://github.com/scipy/scipy/pull/9533`__: MAINT: Use list comprehension when possible * `#9537 https://github.com/scipy/scipy/pull/9537`__: DOC: add a "big picture" roadmap * `#9538 https://github.com/scipy/scipy/pull/9538`__: DOC: Replace "Numpy" with "NumPy" in .py, .rst and .txt doc files... * `#9539 https://github.com/scipy/scipy/pull/9539`__: ENH: add two-sample test (Epps-Singleton) to scipy.stats * `#9559 https://github.com/scipy/scipy/pull/9559`__: DOC: add section on global optimizers to tutorial * `#9561 https://github.com/scipy/scipy/pull/9561`__: ENH: remove noprefix.h, change code appropriately * `#9562 https://github.com/scipy/scipy/pull/9562`__: MAINT: stats: Rewrite pearsonr. * `#9563 https://github.com/scipy/scipy/pull/9563`__: BUG: Minor bug fix Callback in linprog(method='simplex') * `#9568 https://github.com/scipy/scipy/pull/9568`__: MAINT: raise runtime error for newton with zeroder if disp true,... * `#9570 https://github.com/scipy/scipy/pull/9570`__: Correct docstring in show_options in optimize. Fixes #9407 * `#9573 https://github.com/scipy/scipy/pull/9573`__: BUG fixes range of pk variable pre-check * `#9577 https://github.com/scipy/scipy/pull/9577`__: TST: fix minor issue in a signal.stft test. * `#9580 https://github.com/scipy/scipy/pull/9580`__: Included blank line before list - Fixes #8658 * `#9582 https://github.com/scipy/scipy/pull/9582`__: MAINT: drop Python 2.7 and 3.4 * `#9588 https://github.com/scipy/scipy/pull/9588`__: MAINT: update `constants.astronomical_unit` to new 2012 value. * `#9592 https://github.com/scipy/scipy/pull/9592`__: TST: Add 32-bit testing to CI * `#9593 https://github.com/scipy/scipy/pull/9593`__: DOC: Replace cumulative density with cumulative distribution * `#9596 https://github.com/scipy/scipy/pull/9596`__: TST: remove VC 9.0 from Azure CI * `#9599 https://github.com/scipy/scipy/pull/9599`__: Hyperlink DOI to preferred resolver * `#9601 https://github.com/scipy/scipy/pull/9601`__: DEV: try to limit GC memory use on PyPy * `#9603 https://github.com/scipy/scipy/pull/9603`__: MAINT: improve logcdf and logsf of hypergeometric distribution * `#9605 https://github.com/scipy/scipy/pull/9605`__: Reference to pylops in LinearOperator notes and ARPACK example * `#9617 https://github.com/scipy/scipy/pull/9617`__: TST: reduce max memory usage for sparse.linalg.lgmres test * `#9619 https://github.com/scipy/scipy/pull/9619`__: FIX: Sparse matrix addition/subtraction eliminates explicit zeros * `#9621 https://github.com/scipy/scipy/pull/9621`__: bugfix in rv_sample in scipy.stats * `#9622 https://github.com/scipy/scipy/pull/9622`__: MAINT: Raise error in directed_hausdorff distance * `#9623 https://github.com/scipy/scipy/pull/9623`__: DOC: Build docs with warnings as errors * `#9625 https://github.com/scipy/scipy/pull/9625`__: Return the number of calls to 'hessp' (not just 'hess') in trust... * `#9627 https://github.com/scipy/scipy/pull/9627`__: BUG: ignore empty lines in mmio * `#9637 https://github.com/scipy/scipy/pull/9637`__: Function to calculate the MAD of an array * `#9646 https://github.com/scipy/scipy/pull/9646`__: BUG: stats: mode for objects w/ndim > 1 * `#9648 https://github.com/scipy/scipy/pull/9648`__: Add `stats.contingency` to refguide-check * `#9650 https://github.com/scipy/scipy/pull/9650`__: ENH: many lobpcg() algorithm improvements * `#9652 https://github.com/scipy/scipy/pull/9652`__: Move misc.doccer to _lib.doccer * `#9660 https://github.com/scipy/scipy/pull/9660`__: ENH: add pearson, tippett, and mudholkar-george to combine_pvalues * `#9661 https://github.com/scipy/scipy/pull/9661`__: BUG: Fix ksone right-hand endpoint, documentation and tests. * `#9664 https://github.com/scipy/scipy/pull/9664`__: ENH: adding multi-target dijsktra performance enhancement * `#9670 https://github.com/scipy/scipy/pull/9670`__: MAINT: link planck and geometric distribution in scipy.stats * `#9676 https://github.com/scipy/scipy/pull/9676`__: ENH: optimize: change default linprog method to interior-point * `#9685 https://github.com/scipy/scipy/pull/9685`__: Added reference to ndimage.filters.median_filter * `#9705 https://github.com/scipy/scipy/pull/9705`__: Fix coefficients in expm helper function * `#9711 https://github.com/scipy/scipy/pull/9711`__: Release the GIL during sosfilt processing for simple types * `#9721 https://github.com/scipy/scipy/pull/9721`__: ENH: Convexhull visiblefacets * `#9723 https://github.com/scipy/scipy/pull/9723`__: BLD: Modify rv_generic._construct_doc to print out failing distribution... * `#9726 https://github.com/scipy/scipy/pull/9726`__: BUG: Fix small issues with `signal.lfilter' * `#9729 https://github.com/scipy/scipy/pull/9729`__: BUG: Typecheck iterations for binary image operations * `#9730 https://github.com/scipy/scipy/pull/9730`__: ENH: reduce sizeof(NI_WatershedElement) by 20% * `#9731 https://github.com/scipy/scipy/pull/9731`__: ENH: remove suspicious sequence of type castings * `#9739 https://github.com/scipy/scipy/pull/9739`__: BUG: qr_updates fails if u is exactly in span Q * `#9749 https://github.com/scipy/scipy/pull/9749`__: BUG: MapWrapper.__exit__ should terminate * `#9753 https://github.com/scipy/scipy/pull/9753`__: ENH: Added exact computation for Kolmogorov-Smirnov two-sample... * `#9755 https://github.com/scipy/scipy/pull/9755`__: DOC: Added example for signal.impulse, copied from impulse2 * `#9756 https://github.com/scipy/scipy/pull/9756`__: DOC: Added docstring example for iirdesign * `#9757 https://github.com/scipy/scipy/pull/9757`__: DOC: Added examples for step functions * `#9759 https://github.com/scipy/scipy/pull/9759`__: ENH: Allow pass_zero to act like btype * `#9760 https://github.com/scipy/scipy/pull/9760`__: DOC: Added docstring for lp2bs * `#9761 https://github.com/scipy/scipy/pull/9761`__: DOC: Added docstring and example for lp2bp * `#9764 https://github.com/scipy/scipy/pull/9764`__: BUG: Catch internal warnings for matrix * `#9766 https://github.com/scipy/scipy/pull/9766`__: ENH: Speed up _gaussian_kernel1d by removing dependence on np.polynomial * `#9769 https://github.com/scipy/scipy/pull/9769`__: BUG: Fix Cubic Spline Read Only issues * `#9773 https://github.com/scipy/scipy/pull/9773`__: DOC: Several docstrings * `#9774 https://github.com/scipy/scipy/pull/9774`__: TST: bump Azure CI OpenBLAS version to match wheels * `#9775 https://github.com/scipy/scipy/pull/9775`__: DOC: Improve clarity of cov_x documentation for scipy.optimize.leastsq * `#9779 https://github.com/scipy/scipy/pull/9779`__: ENH: dual_annealing vectorise visit_fn * `#9788 https://github.com/scipy/scipy/pull/9788`__: TST, BUG: f2py-related issues with NumPy < 1.14.0 * `#9791 https://github.com/scipy/scipy/pull/9791`__: BUG: fix amax constraint not enforced in scalar_search_wolfe2 * `#9792 https://github.com/scipy/scipy/pull/9792`__: ENH: Allow inplace copying in place in "detrend" function * `#9795 https://github.com/scipy/scipy/pull/9795`__: DOC: Fix/update docstring for dstn and dst * `#9796 https://github.com/scipy/scipy/pull/9796`__: MAINT: Allow None tolerances in least_squares * `#9798 https://github.com/scipy/scipy/pull/9798`__: BUG: fixes abort trap 6 error in scipy issue 9785 in unit tests * `#9807 https://github.com/scipy/scipy/pull/9807`__: MAINT: improve doc and add alternative keyword to wilcoxon in... * `#9808 https://github.com/scipy/scipy/pull/9808`__: Fix PPoly integrate and test for CubicSpline * `#9810 https://github.com/scipy/scipy/pull/9810`__: ENH: Add the geometric standard deviation function * `#9811 https://github.com/scipy/scipy/pull/9811`__: MAINT: remove invalid derphi default None value in scalar_search_wolfe2 * `#9813 https://github.com/scipy/scipy/pull/9813`__: Adapt hamming distance in C to support weights * `#9817 https://github.com/scipy/scipy/pull/9817`__: DOC: Copy solver description to solver modules * `#9829 https://github.com/scipy/scipy/pull/9829`__: ENH: Add FOH and equivalent impulse response discretizations... * `#9831 https://github.com/scipy/scipy/pull/9831`__: ENH: Implement RotationSpline * `#9834 https://github.com/scipy/scipy/pull/9834`__: DOC: Change mielke distribution default parameters to ensure... * `#9838 https://github.com/scipy/scipy/pull/9838`__: ENH: Use faster solvers for firls * `#9854 https://github.com/scipy/scipy/pull/9854`__: ENH: loadarff now supports relational attributes. * `#9856 https://github.com/scipy/scipy/pull/9856`__: integrate.bvp - improve handling of nonlinear boundary conditions * `#9862 https://github.com/scipy/scipy/pull/9862`__: TST: reduce Appveyor CI load * `#9874 https://github.com/scipy/scipy/pull/9874`__: DOC: Update requirements in release notes * `#9883 https://github.com/scipy/scipy/pull/9883`__: BUG: fixed parenthesis in spatial.rotation * `#9884 https://github.com/scipy/scipy/pull/9884`__: ENH: Use Sparsity in Clarkson-Woodruff Sketch * `#9888 https://github.com/scipy/scipy/pull/9888`__: MAINT: Replace NumPy aliased functions * `#9892 https://github.com/scipy/scipy/pull/9892`__: BUG: Fix 9890 query_ball_point returns wrong result when p is... * `#9893 https://github.com/scipy/scipy/pull/9893`__: BUG: curve_fit doesn't check for empty input if called with bounds * `#9894 https://github.com/scipy/scipy/pull/9894`__: scipy.signal.find_peaks documentation error * `#9898 https://github.com/scipy/scipy/pull/9898`__: BUG: Set success attribute in OptimizeResult. See #9801 * `#9900 https://github.com/scipy/scipy/pull/9900`__: BUG: Restrict rv_generic._argcheck() and its overrides from setting... * `#9906 https://github.com/scipy/scipy/pull/9906`__: fixed a bug in kde logpdf * `#9911 https://github.com/scipy/scipy/pull/9911`__: DOC: replace example for "np.select" with the one from numpy... * `#9912 https://github.com/scipy/scipy/pull/9912`__: BF(DOC): point to numpy.select instead of plain (python) .select * `#9914 https://github.com/scipy/scipy/pull/9914`__: DOC: change ValueError message in _validate_pad of signaltools. * `#9915 https://github.com/scipy/scipy/pull/9915`__: cKDTree query_ball_point improvements * `#9918 https://github.com/scipy/scipy/pull/9918`__: Update ckdtree.pyx with boxsize argument in docstring * `#9920 https://github.com/scipy/scipy/pull/9920`__: BUG: sparse: Validate explicit shape if given with dense argument... * `#9924 https://github.com/scipy/scipy/pull/9924`__: BLD: add back pyproject.toml * `#9931 https://github.com/scipy/scipy/pull/9931`__: Fix empty constraint * `#9935 https://github.com/scipy/scipy/pull/9935`__: DOC: fix references for stats.f_oneway * `#9936 https://github.com/scipy/scipy/pull/9936`__: Revert gh-9619: "FIX: Sparse matrix addition/subtraction eliminates... * `#9937 https://github.com/scipy/scipy/pull/9937`__: MAINT: fix PEP8 issues and update to pycodestyle 2.5.0 * `#9939 https://github.com/scipy/scipy/pull/9939`__: DOC: correct `structure` description in `ndimage.label` docstring * `#9940 https://github.com/scipy/scipy/pull/9940`__: MAINT: remove extraneous distutils copies * `#9945 https://github.com/scipy/scipy/pull/9945`__: ENH: differential_evolution can use Bounds object * `#9949 https://github.com/scipy/scipy/pull/9949`__: Added 'std' to add doctstrings since it is a `known_stats`... * `#9953 https://github.com/scipy/scipy/pull/9953`__: DOC: Documentation cleanup for stats tutorials. * `#9962 https://github.com/scipy/scipy/pull/9962`__: __repr__ for Bounds * `#9971 https://github.com/scipy/scipy/pull/9971`__: ENH: Improve performance of lsmr * `#9987 https://github.com/scipy/scipy/pull/9987`__: CI: pin Sphinx version to 1.8.5 * `#9990 https://github.com/scipy/scipy/pull/9990`__: ENH: constraint violation * `#9991 https://github.com/scipy/scipy/pull/9991`__: BUG: Avoid inplace modification of input array in newton * `#9995 https://github.com/scipy/scipy/pull/9995`__: MAINT: sparse.csgraph: Add cdef to stop build warning. * `#9996 https://github.com/scipy/scipy/pull/9996`__: BUG: Make minimize_quadratic_1d work with infinite bounds correctly * `#10004 https://github.com/scipy/scipy/pull/10004`__: BUG: Fix unbound local error in linprog - simplex. * `#10007 https://github.com/scipy/scipy/pull/10007`__: BLD: fix Python 3.7 build with build isolation * `#10009 https://github.com/scipy/scipy/pull/10009`__: BUG: Make sure that _binary_erosion only accepts an integer number... * `#10016 https://github.com/scipy/scipy/pull/10016`__: Update link to airspeed-velocity * `#10017 https://github.com/scipy/scipy/pull/10017`__: DOC: Update `interpolate.LSQSphereBivariateSpline` to include... * `#10018 https://github.com/scipy/scipy/pull/10018`__: MAINT: special: Fix a few warnings that occur when compiling... * `#10019 https://github.com/scipy/scipy/pull/10019`__: TST: Azure summarizes test failures * `#10021 https://github.com/scipy/scipy/pull/10021`__: ENH: Introduce CubicHermiteSpline * `#10022 https://github.com/scipy/scipy/pull/10022`__: BENCH: Increase cython version in asv to fix benchmark builds * `#10023 https://github.com/scipy/scipy/pull/10023`__: BUG: Avoid exponnorm producing nan for small K values. * `#10025 https://github.com/scipy/scipy/pull/10025`__: BUG: optimize: tweaked linprog status 4 error message * `#10026 https://github.com/scipy/scipy/pull/10026`__: ENH: optimize: use SuiteSparse in linprog interior-point when... * `#10027 https://github.com/scipy/scipy/pull/10027`__: MAINT: cluster: clean up the use of malloc() in the function... * `#10028 https://github.com/scipy/scipy/pull/10028`__: Fix rotate invalid plane check * `#10040 https://github.com/scipy/scipy/pull/10040`__: MAINT: fix pratt method of wilcox test in scipy.stats * `#10041 https://github.com/scipy/scipy/pull/10041`__: MAINT: special: Fix a warning generated when building the AMOS... * `#10044 https://github.com/scipy/scipy/pull/10044`__: DOC: fix up spatial.transform.Rotation docstrings * `#10047 https://github.com/scipy/scipy/pull/10047`__: MAINT: interpolate: Fix a few build warnings. * `#10051 https://github.com/scipy/scipy/pull/10051`__: Add project_urls to setup * `#10052 https://github.com/scipy/scipy/pull/10052`__: don't set flag to "converged" if max iter exceeded * `#10054 https://github.com/scipy/scipy/pull/10054`__: MAINT: signal: Fix a few build warnings and modernize some C... * `#10056 https://github.com/scipy/scipy/pull/10056`__: BUG: Ensure factorial is not too large in kendaltau * `#10058 https://github.com/scipy/scipy/pull/10058`__: Small speedup in samping from ortho and special_ortho groups * `#10059 https://github.com/scipy/scipy/pull/10059`__: BUG: optimize: fix #10038 by increasing tol * `#10061 https://github.com/scipy/scipy/pull/10061`__: BLD: DOC: make building docs easier by parsing python version. * `#10064 https://github.com/scipy/scipy/pull/10064`__: ENH: Significant speedup for ortho and special ortho group * `#10065 https://github.com/scipy/scipy/pull/10065`__: DOC: Reword parameter descriptions in `optimize.root_scalar` * `#10066 https://github.com/scipy/scipy/pull/10066`__: BUG: signal: Fix error raised by savgol_coeffs when deriv > polyorder. * `#10067 https://github.com/scipy/scipy/pull/10067`__: MAINT: Fix the cutoff value inconsistency for pinv2 and pinvh * `#10072 https://github.com/scipy/scipy/pull/10072`__: BUG: stats: Fix boxcox_llf to avoid loss of precision. * `#10075 https://github.com/scipy/scipy/pull/10075`__: ENH: Add wrappers for ?syconv routines * `#10076 https://github.com/scipy/scipy/pull/10076`__: BUG: optimize: fix curve_fit for mixed float32/float64 input * `#10077 https://github.com/scipy/scipy/pull/10077`__: DOC: Replace undefined `k` in `interpolate.splev` docstring * `#10079 https://github.com/scipy/scipy/pull/10079`__: DOC: Fixed typo, rearranged some doc of stats.morestats.wilcoxon. * `#10080 https://github.com/scipy/scipy/pull/10080`__: TST: install scikit-sparse for full TravisCI tests * `#10083 https://github.com/scipy/scipy/pull/10083`__: Clean ``_clean_inputs`` in optimize.linprog * `#10088 https://github.com/scipy/scipy/pull/10088`__: ENH: optimize: linprog test CHOLMOD/UMFPACK solvers when available * `#10090 https://github.com/scipy/scipy/pull/10090`__: MAINT: Fix CubicSplinerInterpolator for pandas * `#10091 https://github.com/scipy/scipy/pull/10091`__: MAINT: improve logcdf and logsf of hypergeometric distribution * `#10095 https://github.com/scipy/scipy/pull/10095`__: MAINT: Clean ``_clean_inputs`` in linprog * `#10116 https://github.com/scipy/scipy/pull/10116`__: MAINT: update scipy-sphinx-theme * `#10135 https://github.com/scipy/scipy/pull/10135`__: BUG: fix linprog revised simplex docstring problem failure

Checksums =========

MD5 ~~~

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SHA256 ~~~~~~

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