Comment #6 on issue 4096 by [email protected]: Poly.coeff works only
after .simply().expand()
http://code.google.com/p/sympy/issues/detail?id=4096
Thanks for the quick response.
But, the polynomial already shows that f0, f1, f2 are amongst the variables
of interest. So, shouldn't "coeff" work with one of those variables?
If I run:
p.as_poly(f0).coeff(f0)
I still get the error:
NotImplementedError: Either convert to Expr with `as_expr` method to use
Expr's coeff method or else use the `coeff_monomial` method of Polys.
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