I want to put a matrix A in another matrix B
example
A= 0 2 9
5 7 3
4 6 1
B= 0 2 9 0 0 0
5 7 3 0 0 0
4 6 1 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
and a C matrix in another place
C= 1 2 3
4 5 6
7 8 9
B= 0 2 9 0 0 0
5 7 3 0 0 0
4 6 1 0 0 0
0 0 0 1 2 3
0 0 0 4 5 6
0 0 0 7 8 9
Best Answer