P=matrix([[0,0,1],[0,1,0],[1,0,0]])
print P
print P.inverse()
P=matrix([[0,0,1],[1,0,0],[0,1,0]])
print P
print P.inverse()

Strang-1.6-7(a)-U (last edited 2010-12-18 06:39:11 by PratyushaKarnati)