Or simply legendre_P, legendre_Q On 10 Kwi, 21:26, achrzesz <achrz...@wp.pl> wrote: > Or: > sage: import scipy.special > sage: scipy.special.legendre(1,0.5) > poly1d([ 1., 0.]) > sage: scipy.special.lqn(int(1),float(0.5)) > (array([ 0.54930614, -0.72534693]), array([ 1.33333333, 1.21597281])) > > On 10 Kwi, 20:17, ObsessiveMathsFreak <obsessivemathsfr...@gmail.com> > wrote: > > > Ugghh.... It looks like scipy wasn't quite what I was looking for. All > > I really need is a way of evaluating generalised legendre functions of > > the first and second kind. I've actually found a package in sympy that > > does this > > >http://docs.sympy.org/dev/modules/mpmath/functions/orthogonal.html#mp... > > > But this doesn't seem to work in the current version of sage > > > sage: import sympy.mpmath > > sage: > > sage: sympy.mpmath.legendre(1,0.5) > > mpf('0.5') > > sage: sympy.mpmath.legenq(1,0.5) > > --------------------------------------------------------------------------- > > AttributeError Traceback (most recent call > > last) > > > ~/<ipython console> in <module>() > > > AttributeError: 'module' object has no attribute 'legenq' > > > Is it possible to install an updated version of sympy that Sage can > > use? > >
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