On Tue, 13 Aug 2002 16:01:12 +0200 Nils Wagner wrote: Nils> I am also looking for the Matlab function cumtrapz. Is there Nils> such a thing in scipy ? You could look at the documentation: ,----[pydoc scipy.integrate] | Python Library Documentation: package scipy.integrate in scipy | | NAME | scipy.integrate - Methods for Integrating Functions given function object. | | FILE | /usr/lib/python2.2/site-packages/scipy/integrate/__init__.py | | DESCRIPTION | quad -- General purpose integration. | dblquad -- General purpose double integration. | tplquad -- General purpose triple integration. | fixed_quad -- Integrate func(x) using Gaussian quadrature of order n. | quadrature -- Integrate with given tolerance using Gaussian quadrature. | romberg -- Integrate func using Romberg integration. | | Methods for Integrating Functions given fixed samples. | | trapz -- Use trapezoidal rule to compute integral of sampled function | simps -- Use Simpson's rule to compute integral from samples. | romb -- Use Romberg Integration to compute integral from | (2**k + 1) evenly-spaced samples. | | See the special module (special.orthogonal) for Gaussian | quadrature roots and weights for other weighting factors and regions. | | Interface to numerical integrators of ODE systems. | | odeint -- General integration of ordinary differential equations. | ode -- Integrate ODE using vode routine. [...] `---- Greetings, Jochen -- University of North Carolina phone: +1-919-962-4403 Department of Chemistry phone: +1-919-962-1579 Venable Hall CB#3290 (Kenan C148) fax: +1-919-843-6041 Chapel Hill, NC 27599, USA GnuPG key: 44BCCD8E