On Mon, Mar 9, 2009 at 1:21 PM, Noel <noel.sagu...@cox.net> wrote: > > Thank you all for your replies! Now I have another problem: > > sage: for f in list(GF(2)['x'].polynomials(of_degree=2)): > ....: print len(prime_divisors(f)), f > ....: > 1 x^2 > 1 x^2 + 1 > 2 x^2 + x > 1 x^2 + x + 1 > > > Only one of these polynomials should have a 1 in the first column (the > polynomial that's irreducible). What am I doing wrong?
prime_divisors() gives you the distinct prime divisors: sage: prime_divisors(8) [2] What do you really want? If you want the factorization, you can use factor(f); if you want to know if f is irreducible, you can use f.is_irreducible(). Carl --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-devel@googlegroups.com To unsubscribe from this group, send email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
