Asked by C Zeng
on 30 May 2013

Hi, all,

I recently found that Matlab executes matrix/vector computation pretty fast than scalar computation with loops. For example, if I used loops to execute algorithm, it is very slow. If I convert it to vector or matrix, it is faster.

I was told about this fact before, is there any explanation on it?

The bad thing is that you cannot always use matrix to replace loops...

Thanks.

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Answer by Jonathan Sullivan
on 30 May 2013

Accepted answer

This has some good information on the topic:

http://www.mathworks.com/help/matlab/matlab_prog/vectorization.html

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