A=matrix([[1,1,1],[0,1,1],[0,0,1]])
C=matrix([[1,0,0],[-1,1,0],[0,-1,1]])
C.transpose()/A.det()
A.inverse()
(A.inverse())==(C.transpose()/A.det())

Strang-4.4-1 (last edited 2010-12-18 12:05:10 by manishadeepthi)