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