a=matrix([[0,0,1],[0,0,1],[1,1,1]])
print a
print a.rank()
print a.nullity()
b=matrix([[0,0,1,2],[0,0,1,2],[1,1,1,0]])
print b
print b.rank()
print b.nullity()

Strang-137-2.4-U (last edited 2010-12-18 10:53:32 by sarada)