How to operate on each column seperately

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MatlabUser17
MatlabUser17 2018-5-8
评论： MatlabUser17 2018-5-8
Hi, I have a n*m matrix and I need to calculate the RMS value over each column separately. How can I do this without using 'for'? Thanks

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Guillaume
Guillaume 2018-5-8
sqrt(mean(yourmatrix.^2))
is all that is needed. mean operates on columns by default.

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