A1 = matrix([[0,0,1],[1,0,0],[0,1,0]])
det(A1)
B1 = matrix([[0,1,1],[1,0,1],[1,1,0]])
det(B1)
C1 = matrix([[1,1,1],[1,1,1],[1,1,1]])
det(C1)

Strang-4.2-21-U (last edited 2010-12-18 07:51:26 by 10)