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Make process stationary - clean trend

조회 수: 3 (최근 30일)
Christoph Meier
Christoph Meier 2015년 8월 7일
답변: Ghada Saleh 2015년 8월 10일
Dear MATLAB community,
I have produced an index, which looks as follows:
I was much more hoping to get something like this:
Does anyone know a technique to clean this exponential trend to get a proper stationary process.
Thank you very much for your time & help!
Chris

답변 (1개)

Ghada Saleh
Ghada Saleh 2015년 8월 10일
Hi christoph,
You can use 'semilogy' to scale the 'y' axis and plot only the exponent. However this does not change the process itself. If the process is not stationary, scaling the 'y' axis will not make the process stationary.
I hope this helps,
Ghada

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