Hi Again, > On May 25, 2015, at 9:49 PM, Justin Gray <jg...@math.sfu.ca> wrote: > > P.S. Ideally, I would like to stipulate that students provide a nontrivial > example (excluding the zero matrix and the identity matrix) but that is the > topic of another discussion.
I don’t know enough MAXIMA. How would you test for this in MAXIMA? is(A=(0)) is(A=([1,0],[0,1])) Would that catch it? And if they enter that, should they be charged a try? - Gerd. _______________________________________________ LON-CAPA-users mailing list LON-CAPA-users@mail.lon-capa.org http://mail.lon-capa.org/mailman/listinfo/lon-capa-users
