Eigenvalues on symmetric real matrix are reals. However
n=184 l=range(1,n+1) M=matrix([[floor(n/lcm(i,j)) for i in l] for j in l]) f=factor(M.characteristic_polynomial()) f[4][0].roots(AA, multiplicities=False) gives AssertionError. Is this a bug? It works for 2 <= n <= 183. When using QQbar instead of AA it seems that calculation stucks. -- Jori Mäntysalo -- You received this message because you are subscribed to the Google Groups "sage-support" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.
