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Karim Belabas on Sat, 29 Apr 2023 16:56:19 +0200
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Re: gcdext() for polynomials
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- To: pari-users@pari.math.u-bordeaux.fr
- Subject: Re: gcdext() for polynomials
- From: Karim Belabas <Karim.Belabas@math.u-bordeaux.fr>
- Date: Sat, 29 Apr 2023 16:55:02 +0200
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* Bill Allombert [2023-04-29 16:48]:
> On Sat, Apr 29, 2023 at 09:43:53AM -0400, Max Alekseyev wrote:
> > There seems to be no way to specify over what variable the gcdext()
> > function should consider the given polynomials. In contrast, many pol*
> > functions (like poldegree(), polcoef() etc) provide such an opton.
> > Am I missing something?
>
> You can only do it with respect to the main variable.
[...]
When the polynomials are coprime, you may also use polreѕultantext.
Cheers,
K.B.
--
Pr Karim Belabas, U. Bordeaux, Vice-président en charge du Numérique
Institut de Mathématiques de Bordeaux UMR 5251 - (+33) 05 40 00 29 77
http://www.math.u-bordeaux.fr/~kbelabas/