[...] > This looks like an after-effect of ticket #6441. Sebastian Pancratz > wrote some very fast code to compute determinants over general > commutative rings, which proceeds by computing the characteristic > polynomial first. When doing this for symbolic matrices it needs to > choose a variable name that won't conflict with anything, so it uses > "A0123456789". This shouldn't leak out into the output, but it looks > like it has done here.
Which seems to have been solved in sage 4.2.1 by changeset: 13301:2c11d19e337f user: Mike Hansen <mhan...@gmail.com> date: Tue Nov 03 13:45:09 2009 +0700 summary: Trac #5639: minpoly of symbolic matrices is broken Can anyone confirm this ? Cheers, Florent -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel-unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
