On Thursday, June 21, 2018 at 11:26:37 PM UTC+1, Andrew wrote:
>
> If by mapping to R you mean applying
>
> sage: R( f )
>
> then, no, this doesn't work. I'll see if I can post an example to make
> this more concrete.
>
Perhaps
f.change_ring(R)
would work (this is what you do if f is a
If by mapping to R you mean applying
sage: R( f )
then, no, this doesn't work. I'll see if I can post an example to make this
more concrete.
Andrew
On Thursday, 21 June 2018 15:51:31 UTC+2, slelievre wrote:
>
> Have you tried defining
>
> sage: R. = LaurentPolynomialRing(QQ)
>
> and
Have you tried defining
sage: R. = LaurentPolynomialRing(QQ)
and maping everything to R so it gets simplified?
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I am using sage to find some basis elements in a CombinatorialFreeModule
that have some nice properties. To do this I work in a large polynomial
ring and solve a corresponding system of equations. The algebra that I am
working in is itself defined over a polynomial ring, say ZZ[h, q, ,q^-1,
