How to calculate RMSE from Simulink Scope plots

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Sreekanth Nandakumar 2019-5-22

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评论： SHAKIRU KASSIM 2022-2-10

Hello All,

I have a plot containing a simulated as well as an experimental data of a system in simulink . I want to calculate the Root mean square error (RMSE) of the data. Can anyone explain to me how to extract data from the scope and calculate the RMSE ?

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Shivam Sardana 2019-5-30

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To log the data from Scope block, check Save Simulation Data Using a Scope Block in Common Scope Block Tasks. To calculate RMSE (Root Mean Square Error),

RMSE = sqrt(mean((simulatedData - experimentalData).^2));