Multiplication of Sparse complex matrix and a full matrix

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D_coder
D_coder am 26 Aug. 2018
Beantwortet: Walter Roberson am 26 Aug. 2018
Let A be a sparse matrix and B be a full matrix . C = A.*B. Will multiplication of elements of B corresponding to the zero elements of A be eliminated?
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Stephen23
Stephen23 am 26 Aug. 2018
Bearbeitet: Stephen23 am 26 Aug. 2018
" Will multiplication of elements of B corresponding to the zero elements of A be eliminated?"
What do you mean by "eliminated"? This is not a MATLAB term that I am familiar with.
D_coder
D_coder am 26 Aug. 2018
it means will the mutliplication with zero be saved? Or still the multiplication will occur

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Walter Roberson
Walter Roberson am 26 Aug. 2018
The sparse multiplication will skip multiplying the elements that are known to be 0 in the sparse matrix.

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