adding matrix to every column in other matrix
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b_ext = repmat(b, 1, size(a, 2)) ;
c = a + b_ext ;
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James Tursa
2013-4-14
bsxfun(@plus,a,b)
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James Tursa
2013-4-14
I haven't tested bsxfun much, but I am not surprised by the timing. I have read many accounts here for various problems and several times it has come up that explicit formulations in one way or another beat bsxfun for speed. For small problems like this one the timing is likely irrelevant anyway.
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2013-4-14
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