Hi Ben,
On 2012-03-26, Ben Hutz <bn4...@gmail.com> wrote:
> In working with polynomials
>
> R.<x,y>=PolynomialRing(ZZ)
> F=x^2*y-2*x^2-x
> print F.coefficients()[0].parent()
> print F.coefficient({x:2,y:1}).parent()
>
> The first returns the base ring (ZZ) and the second the multivariable
> polynomial ring.
The documentation of F.coefficient explicitly states:
"OUTPUT: element of the parent of this element."
Best regards,
Simon
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