(self)
return self.base.identity_hom().quotient_codomain(self.killed_module)
Return the quotient homomorphism to self.

        That is, return the natural map from ``self.base`` to ``self``.

        >>> from sympy.abc import x
        >>> from sympy import QQ
        >>> M = (QQ.old_poly_ring(x).free_module(2) / [(1, x)]).submodule([1, 0])
        >>> M.quotient_hom()
        Matrix([
        [1, 0], : <[1, 0], [1, x]> -> <[1, 0] + <[1, x]>, [1, x] + <[1, x]>>
        [0, 1]])
Return the quotient homomorphism to self.
Return the quotient homomorphism to self .
def quotient_hom(self):
        """
        Return the quotient homomorphism to self.

        That is, return the natural map from ``self.base`` to ``self``.

        >>> from sympy.abc import x
        >>> from sympy import QQ
        >>> M = (QQ.old_poly_ring(x).free_module(2) / [(1, x)]).submodule([1, 0])
        >>> M.quotient_hom()
        Matrix([
        [1, 0], : <[1, 0], [1, x]> -> <[1, 0] + <[1, x]>, [1, x] + <[1, x]>>
        [0, 1]])
        """
        return self.base.identity_hom().quotient_codomain(self.killed_module)
def quotient_hom ( self ) : return self . base . identity_hom ( ) . quotient_codomain ( self . killed_module )