a11=4
a12=0
a21=3
a22=-1
A = matrix([[ a11,a12],[ a21,a22]])
print A
B = matrix([[ 4,0],[ 3,-1]])
print B
A == B

Strang-6.0-5 (last edited 2010-12-17 19:19:56 by sai9876543210abcd)