Thanks Justin. My mistake... minimal_polynomial is what is required. Graham
On Mar 17, 8:21 pm, "Justin C. Walker" <jus...@mac.com> wrote: > On Mar 17, 2012, at 13:13 , firebird wrote: > > > I was expecting x^2 as the characteristic polynomial. What's gone > > wrong? > > I believe that the characteristic polynomial of a matrix, M, is given as > "det(\lambda I-M)" or something similar. In your case (a 12x12 matirx), you > should expect a polynomial of degree 12. Perhaps you were thinking of the > minimal polynomial? > > HTH > > Justin > > -- > Justin C. Walker > Curmudgeon-at-large > Director > Institute for the Absorption of Federal Funds > ---- > 186,000 Miles per Second > Not just a good idea: > it's the law! > ---- -- 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