Dirk Laurie on Wed, 29 Aug 2018 20:31:51 +0200


[Date Prev] [Date Next] [Thread Prev] [Thread Next] [Date Index] [Thread Index]

Re: DFT with gp 

There are some things GP is ideal for and some things better done in
other langauges.

You can have the best of both worlds in SAGE. Do your GP computations
in one box, export the results to an Octave box when you need to do
matrix-oriented number crunching. www.sagemath.org

Op Wo., 29 Aug. 2018 om 19:27 het Karim Belabas
<Karim.Belabas@math.u-bordeaux.fr> geskryf:
>
> * Alessandro Languasco [2018-08-29 18:27]:
> > That’s great, thanks. But it works only when N is a power of two and unfortunately in my case N=q-1, q odd prime.
> > Is there in pari a more general version of  FFT which works for a general natural number N \ge 2 ?
>
> No. :-(
>
> Cheers,
>
>     K.B.
> --
> Karim Belabas, IMB (UMR 5251)  Tel: (+33) (0)5 40 00 26 17
> Universite de Bordeaux         Fax: (+33) (0)5 40 00 21 23
> 351, cours de la Liberation    http://www.math.u-bordeaux.fr/~kbelabas/
> F-33405 Talence (France)       http://pari.math.u-bordeaux.fr/  [PARI/GP]
> `
>