A = Matrix([3,0,4])
B = Matrix([-1,8,2])
C = Matrix([[9],[5],[7]])
D = Matrix([[2],[-2],[6]])

print "(i) 3(C-4D)"
print 
print 3*(C-4*D)
print 
print "(ii) 3*C-12*D"
print 3*C-12*D

SageDays/Kreyszig-6.1--11 (last edited 2010-08-12 11:23:54 by msunyuma)