compare loops and matrix computation.

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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.

Accepted Answer

Jonathan Sullivan
Jonathan Sullivan on 30 May 2013

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