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Karim Belabas on Tue, 30 Jan 2024 17:00:32 +0100
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- To: pari-users@pari.math.u-bordeaux.fr
- Subject: Re: eval bernpol
- From: Karim Belabas <Karim.Belabas@math.u-bordeaux.fr>
- Date: Tue, 30 Jan 2024 17:00:06 +0100
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* Aurel Page [2024-01-30 13:04]:
> Dear Ruud,
>
> You can directly compute the evaluated Bernoulli polynomial:
>
> A285068(n) = denominator(3^n * bernpol(n,1/3));
>
> You can also revert the polynomial instead of evaluating at a rational:
>
> A285068b(n) = denominator(subst(Polrev(Vec(bernpol(n))),'x,3));
Slightly simpler:
A285068c(n) = denominator(subst(polrecip(bernpol(n)), 'x, 3));
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/