#To find the incidence matrix and its null-space
print 'The incidence matrix is'
B= matrix([[-1,-1,0,0,-1,0],[1,0,-1,-1,0,0],[0,1,1,0,0,-1],[0,0,0,1,1,1]])
print B
b = A.transpose()
print 'Transpose of the matrix is '
print b

Strang-2.5-4-U (last edited 2010-12-18 12:12:16 by 10)