On Friday, April 10, 2020 at 1:02:12 AM UTC-7, Ne reknu wrote: > > Hello. > I need a root finder of a real function which work with a initial guess. > That can be done by scipy fsolve, but if I try to aply it on a gamma (or > Bessel) function in Sage, I recieve following error message: > > NotImplementedError: The Function gamma does not support numpy arrays as > arguments >> >> > I have encoutered this before - then the solution was replacing x[i] by > x.item(i). I am however not skilled enough to do this chenge inside scipy > library. Any sugestions? > > Change the function you pass on instead, so that it does follow numpy's broadcasting rules: opt.fsolve(numpy.vectorize(Rce),ktip) probably does work. While numpy's broadcasting rules are useful for numpy, they would probably not play nice with the other uses of functions in sage, so I don't think it's something we can accommodate by default. Users will have to rely on numpy's convenient wrapper.
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