Say I have a matrix A
A =
0 1 2
2 1 1
3 1 2
and another matrix B
B =
0 42
1 24
2 32
3 12
I want to replace each value in A
by the one associated to it in B
.
I would obtain
A =
42 24 32
32 24 24
12 24 32
How can I do that without loops?