#Ex:6.1  Q.11
a = matrix(QQ,[3,0,4])
b = matrix(QQ,[-1,8,2])
c = matrix(QQ,3,[9,5,7])
d = matrix(QQ,3,[2,-2,6])
print 3*(c-4*d)
print 3*c-12*d

SageDays/Kreyszig-6.1-11 (last edited 2010-08-11 12:27:39 by Grishalda)