how to do running mean?

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Lilya
Lilya 2020-10-22
评论： Lilya 2020-10-25
Hi all,
I have a 3d matrix with a dimension of 21*41*273, for which I want to do the running mean over the third dimension (273 days) for every 4 days.
Any help would be appreciated.

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Ameer Hamza
Ameer Hamza 2020-10-22
Try something like this
M = rand(21, 41, 273);
M_new = movmean(M, [0 3], 3, 'Endpoints', 'discard');
M_new = M_new(:,:,1:4:end);
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Ameer Hamza
Ameer Hamza 2020-10-25
Yes, It means that it takes data from the current value and the next three values.

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