In other words, kA = k[aij] m × n = [k (aij)] m × n, that is, (i, j)th element of kA is kaij
for all possible values of i and j For example, if
A =
3
1
1 5
5
7
3
2
0
5



−






, then
3A =
3
1
1 5
9
3
4