What version of Sage are you using? - log works fine for me (version 4.2.1):
sage: F.<x>=GF(2^8,"x") sage: (x+1).multiplicative_order() 51 sage: (x+1)^30 x^5 + x^3 + x^2 sage: (x^5+x^3+x^2).log(x+1) 30 cheers, Alasdair On Mar 5, 11:03 pm, yujia chiu <woodc...@gmail.com> wrote: > Dear all, > > I tried to compute the logarithm of b based a in a finite field. But it > seemed that the b.log(a) command in sage only works when a generates the > multiplicative group of the finite field. Unfortunately, my a doesn't, > although I already showed that b is indeed a power of a. > Could you please tell me how to solve this problem? Thanks in advance. > > -- > Kind Regards, > Yujia Qiu -- To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to sage-support+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-support URL: http://www.sagemath.org
