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From: Jan Simon on 21 Feb 2010 15:58
Dear Young!

> I have an array:
> A=rand(1000, 1000);
> I'd like to resize to 25% size (thus 250 by 250) using average. I usd resizem funciton, but it was quite slow. Could you recommend the fastest way to resize array?

You could try BlockMean:
http://www.mathworks.com/matlabcentral/fileexchange/24812

Good luck, Jan
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