#Q.13
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 5*(c-2*d)
print 10*d-5*c

SageDays/Kreyszig-6.1-13 (last edited 2010-08-11 12:32:44 by Grishalda)