用sub2ind >> a=zeros(5); i = [2;3;4]; j = [1;4;2]; >> a(sub2ind(size(a), i, j))=1 a = 0 0 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 0 0 0 0 0 0
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