RMS question plss help me

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mohd norhafifi zainudin
just to know,how make the coding for the find the RMS??based on the data like(0.234,0.2338,0.255,3.456,5.3453) the data save in txt

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回答（1 个）

Craig Cowled
Craig Cowled 2013-5-15
Mohd, if you have the Signal Processing Toolbox, you can use the rms function like this:
X = [0.234 0.2338 0.255 3.456 5.3453];
X_rms = rms(X);
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Daniel Shub
Daniel Shub 2013-5-15
and if you don't, a poor mans version is rms = @(x)sqrt(mean(x.^2)).

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