Add a row to a matrix where find==1
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Hello! I've a matrix A and a vector f:
A = 9 6 5
9 10 9
8 7 1
2 9 2
7 5 2
f = [0; 0; 1; 1; 0]
I want to add the matrix A rows to a matrix B, where f == 1. It is very simple with a for cycle, but I need not to use it, because of very large matrix.
B = [8 7 1
2 9 2]
How can I do that? Thanks.
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