[sympy] subclassing Poly

2009-09-08 Thread William Purcell
I am trying to subclass Poly to change Poly.coeffs. Here is the code. --- def poly_coeffs_filled(p): cs = p.coeffs coeff_dict = dict(map(lambda x: (str(x[0][0]),str(x[1])),p.as_dict().items())) degree = p.deg

[sympy] Subclassing Poly?

2009-04-18 Thread dhruv
Hello all, I want to build a class to describe a generating function (as used in the context of discrete probability distributions). It would have exactly the functionality of the Poly class, have a normalization constraint on the coefficients, have a few more special methods that I'd define, an