Smooth a time serie not afectig max/minimun data?

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Claudio Iturra
Claudio Iturra 2024-1-24
回答： Star Strider 2024-1-24
Hello, I'm trying to find a way to smooth the data without afecting the max/min values of the time serie,
like generate/fitting a sinusoidal serie in where values at the edges (orange and yellow line) will no be affected by the method, I will apreciate any suggestion, thaks.

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Star Strider
Star Strider 2024-1-24
See if the Signal Processing Toolbox envelope function will do what you want. Choose the 'peak' option, and experiment with the 'np' argument to get the result you want.

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