How can I compare a lot of signals?

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Carlos Javier Espinola Rotela
编辑： Aman Vyas 2020-8-13
Currently I am doing a PID controller and we have the data of the oscilloscope which is a sin wave. I want to be able to see which in which file there is the smallest error(the smallest sin wave's amplitude). I just downloaded Matlab today and I have almost cero knowledge. I hope someone can help

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Aman Vyas
Aman Vyas 2020-8-13
编辑：Aman Vyas 2020-8-13
Hi,
You may use root mean square error as that results errors at quite minute rate.
For more info as to how to use it, you may take a look at below question:
https://in.mathworks.com/matlabcentral/answers/4064-rmse-root-mean-square-error
Hope it helps !

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