I have a double vector of zeros; lets call it A which will be like;
A=[0,0,0,0,0,0,0,0,0,0,0,...,0]
I want to make specific rows as one for example if B=[2,6,7] are the row index that I want as one the result would be someting like;
Anew=[0,1,0,0,0,1,1,0,0,0,...,0]

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