A = matrix([[1,1],[2,2]])
print A
C = matrix([[2,1],[2,2]])
print C
print A * C
D = matrix([[3,0],[1,3]])
print D
print A * D
print A * C == A * D

Strang-6.2-6 (last edited 2010-12-17 19:13:06 by sai9876543210abcd)