Comment #7 on issue 4133 by raou...@gmail.com: Suggestion: implement
classical orthogonal polynomials
http://code.google.com/p/sympy/issues/detail?id=4133
Hi,
Right. I did this for spherical harmonics. In principle we need to
cut out all code in the "eval" method and put a clean up version
into "_eval_expand_func".
Yes, for polynomials we can implement a change of basis.
This is rather trivial. It should be based on the linalg
and matrix representations. Remember also that all
classical orthogonal polynomials have a three term recursion.
Maybe, but I'd start without thinking too much about Fourier
integrals.
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