E=matrix([[1,0,0],[-2,1,0],[0,1,1]])
F=matrix([[1,0,0],[0,1,0],[1,0,1]])
G=matrix([[1,0,0],[0,1,0],[0,1,1]])
Q=E*G
print Q
W=G*E
print W
v=bool(Q==W)
print v
S=E*F*G
print S
B=G*F*E
print B
U=bool(S==B)
print U

Strang-1.4-5 (last edited 2010-12-18 08:01:46 by sai kumar)