bsxfun

Comparing BSXFUN and REPMAT

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Introduction The debate on whether bsxfun is better than repmat or vice versa has been going on like forever. In this post, we would try to compare how the different built-ins that ship with MATLAB fight it out against repmat equivalents in terms of their runtime performances and hopefully draw some meaningful conclusions out of … Read more

In MATLAB, when is it optimal to use bsxfun?

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There are three reasons I use bsxfun (documentation, blog link) bsxfun is faster than repmat (see below) bsxfun requires less typing Using bsxfun, like using accumarray, makes me feel good about my understanding of MATLAB. bsxfun will replicate the input arrays along their “singleton dimensions”, i.e., the dimensions along which the size of the array … Read more

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