2015-01-20 7:58 UTC+01:00, Nils Bruin <nbr...@sfu.ca>: > On Monday, January 19, 2015 at 9:27:44 PM UTC-8, Ondřej Čertík wrote: >> >> >> and your approach returns a wrong number of terms, so something is >> wrong. But it is quite fast. >> > > The term count doesn't tell you that. The representation of sqrt3 and sqrt5 > > doesn't consist of single term expressions: > > sage: fsqrt3 > -1/4*a^3 + 7/2*a > sage: fsqrt5 > -1/4*a^3 + 9/2*a
Right. You can use sage: len(f.monomials()) which is safer. I did not find a function for counting the number of non-zero coefficients. Vincent -- 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 http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
