On Tue, Mar 31, 2009 at 12:24 PM, [email protected] <[email protected]> wrote: > > Thank you very much Martin and William. > Domingo, > > P. d. One question, for the next time, > how I see the api of the multivariate polynomials?
If f is any object you can do f.<tab key> > > > On 31 mar, 18:47, William Stein <[email protected]> wrote: >> On Tue, Mar 31, 2009 at 9:34 AM, Martin Albrecht >> >> >> >> <[email protected]> wrote: >> >> > On Tuesday 31 March 2009, William Stein wrote: >> >> R.ngens() >> >> >> On Tue, Mar 31, 2009 at 7:58 AM, [email protected] >> >> >> <[email protected]> wrote: >> >> > Dear all, >> >> > I am new to Sage and after reading the help, I couldn't find a >> >> > function that from a multivariate polynomial >> >> > returns the number of variables. >> >> > if >> >> > R=PolynomialRing(ZZ, 20, "z",order="deglex") >> >> > f=R.0*R.1 >> >> > I think he wants: >> >> > f.nvariables() >> >> Ah, that works. Also one has: >> >> sage: R=PolynomialRing(ZZ, 20, "z",order="deglex") >> sage: f = R.0 >> sage: f.nvariables() >> 1 >> sage: f.parent().ngens() >> 20 >> >> William > > > -- William Stein Associate Professor of Mathematics University of Washington http://wstein.org --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
