Dear Sage developers,
I am manipulating univariate fractions in A[t] where A is a ring (say
QQ[x1,...,xn]), and all the denominators factor nicely in many small
terms like (1-x1 t) * (1 - 2*x2*t - (x3*x4) t^4) * ... I need to do
ring operations (products, sums, ...), and to have the result reduced
to the form A/B (if possible with A prime to B)
So far, I am working in FractionField(A[t]). However, the expansion of
the denominators give many many terms, and is a computation killer.
Is there currently a way in Sage to define a close variant of
FractionField(QQ[x]), where the numerators would be expanded, but the
denominators would be kept into factored form?
Thanks!
Cheers,
Nicolas
--
Nicolas M. Thiéry "Isil" <nthi...@users.sf.net>
http://Nicolas.Thiery.name/
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