replace nonzero element of matrix with vector
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Hello I have matrix A:
A=[2 3 0 0;6 0 2 4;1 2 0 7]
I want to replace nonzero element of this matrix with matrix B respectively. matrix B is:
B=[70;11;111;8;7;22;15;64]
Thank you.
2 个评论
fatema saba
2015-11-19
@fatema saba: you do not need to use find, it just makes the code slower and more complicated without any benefit. It is better to use logical indexing, as per Walter Roberson's answer.
回答（1 个）
Walter Roberson
2015-11-19
A(logical(A)) = B;
or if you prefer
A(A ~= 0) = B;
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2015-11-19
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