A = matrix ([[1,2],[2,4]])
print A
B = matrix ([[2,1,4],[3,1.5,6]])
print B
b = var('b')
bc = var('bc')
M = matrix ([[1,b],[c,bc]])
print M
D = A * B
print D
D.rank()
E = A * M
print E
E.rank()

Kreyszig-2.2 - 17-U (last edited 2010-12-18 06:16:03 by sri valli)