Bug in "sympy.physics.quantum.cg"

[shiny...@gmail.com]

I found a wrong expression to indicate a variable in "Wigner6j.doit()".

Original in Sympy version 0.7.6:

    def doit(self, **hints):

        if self.is_symbolic:

            raise ValueError("Coefficients must be numerical")

        return wigner_6j(self.j1, self.j2, self.j12, self.j3, self.j, self.j3)

Revised:

    def doit(self, **hints):

        if self.is_symbolic:

            raise ValueError("Coefficients must be numerical")

        return wigner_6j(self.j1, self.j2, self.j12, self.j3, self.j, self.j23)

This bug may be a simple typo...

[Sean Vig]

Hi,

Yes, that is a typo, if you'd like to submit a PR on github we'd be happy to merge it. Thanks for finding it.

Sean

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