How to solve rms calculation problem ?

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Leonardo Wayne on 6 May 2016

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Commented: Leonardo Wayne on 6 May 2016

Accepted Answer: Azzi Abdelmalek

I have the following error:

Undefined function 'rms' for input a

rguments of type 'double'.

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Accepted Answer

Azzi Abdelmalek on 6 May 2016

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https://au.mathworks.com/matlabcentral/answers/282869-how-to-solve-rms-calculation-problem#answer_221029

The rms function requires a signal processing toolbox

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Leonardo Wayne on 6 May 2016

Thanks. It worked before though, so its a bit weird. I just solved it using: outrms = sqrt(mean(y.^2))

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