> I presume your polynomial entries are mostly constants, otherwise > you'd get a really huge polynomial as an answer. Do you know if your > matrix has many rows/columns with just one non-0? This could be a good > heuristic to do for sparse determinants, get rid of these first of > all...
all the entries are of the form (cst) * a_i for some constant cst and some index i. The determinant is a_0^50000, just as I predicted :-) There are about 20 non-zero coefficients in each column. -- 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 sage-support+unsubscr...@googlegroups.com. To post to this group, send email to sage-support@googlegroups.com. Visit this group at https://groups.google.com/group/sage-support. For more options, visit https://groups.google.com/d/optout.