a=matrix([[I,I]])
print a
N=a.left_kernel()
print N
b=matrix([[I,I],[0,0]])
print b
N=b.left_kernel()
print N
c=matrix([[I,I,I]])
print c
N=c.left_kernel()
print N 

Strang-2.2-30-U (last edited 2010-12-18 10:48:08 by prakasam team)