Le mercredi 5 décembre 2018 23:44:43 UTC+1, Markus Wageringel a écrit : > > Am Samstag, 24. November 2018 23:11:26 UTC+1 schrieb parisse: >> >> >> Giac supports double revlex ordering, this is the order used by the >> eliminate command of Giac. Geogebra has many examples of eliminate commands >> there https://dev.geogebra.org/trac/browser/trunk/geogebra/giac/src/test >> > > Nice. It would probably be good to have this function in the Sage > interface for giac, as well. Is it also possible to obtain the full Gröbner > basis with respect to the revlex/revlex block order, but without > elimination? > > > >From giac, call gbasis with the list of polynomial and the list of the first block indets.
> > Meanwhile, Roman Pearce's website [5] is back online and I used those > polynomial systems to compare the Sage interfaces libsingular, giacpy_sage > and fgb_sage. I created a gist of the code [6]. > > Versions of libraries used: > • Sage 8.5.beta4 > • libSingular-4.1.1 > • giacpy_sage-0.6.6, giac-1.4.9.45.p4 > The timings on Q do not reflect the timings of native giac, there must be some misconfiguration or something wrong with the sage interface. Higher timings with 16 threads instead of 4 for a modular algorithm is suspicious. -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
