I have some question. I have 2 matrix, it's have same size. For example, first matrix : 1
1
0
0
1
0
Second matrix 34
56
12
12
33
14
Then, I want to compare this two matrix and groups it by the criteria on first matrix so I will have this two groups matrix : Matrix when the first matrix is have value 1
34
56
33
and Matrix when the first matrix is have value 0
12
12
14