#Kreyszig 309 Problemset6.1 problem 2
A = matrix(QQ,[[2,1],[1,7]])
B= matrix(QQ,[[-2,5],[0,8]])
C= matrix(QQ,[[6,0,3],[1,0,-5]])
print 4*A-8*B
print 4*(2*B-A)
print 8*B-4*A

SageDays/Kreyszig-6.1-2 (last edited 2010-08-12 04:41:31 by Astrid)