Yes, I like that - I need to learn about "lift" and "parent".
-A. On Dec 12, 9:44 pm, daveloeffler <dave.loeff...@gmail.com> wrote: > You can also do the following: > > M = random_matrix(IntegerModRing(10), 3, 3) > Madj = M.parent() (M.lift().adjoint()) > > In other words, we lift M to a matrix over ZZ, compute its adjoint and > reduce it mod 10 again (by "coercing it into the parent of M" in sage- > speak). > > David > > On Dec 12, 12:20 am, Alasdair <amc...@gmail.com> wrote: > > > Actually, this seems to work (using Maxima): > > > M=random_matrix(IntegerModRing(10),3,3) > > MM=maxima(M) > > MA=matrix(IntegerModRing(10),MM.adjoint()) > > > However, MA refuses to be typeset properly in the notebook - I > > consistently get LaTeX code, rather than a nicely typeset matrix. > > > It would be nice to have a built in adjoint... > > > Thanks, > > Alasdair --~--~---------~--~----~------------~-------~--~----~ 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 URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
