On Dec 2, 8:51 pm, Gonzalo Tornaria <torna...@math.utexas.edu> wrote: > On Thu, Dec 2, 2010 at 7:16 AM, John Cremona <john.crem...@gmail.com> wrote: > > What you call the classical adjoint is really the adjugate. That is > > abbreviated to adj, and since there is also an adjoint, it is a common > > error to call the adjugate the adjoint. > > Do you have a reference for this convention? I had never seen the word > "adjugate" before. >
At least in an older edition of Lay's Linear Algebra book (fairly widely used) uses this, and points out there is a "real" adjoint which is not covered in his text. - kcrisman -- 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
