Question: Verifying periodicy: Are there any dedicated commands

Does Maple provide any command/examples that can help verfying whether an analytic function or a time series (a sequence of numbers) is periodic?

I had a look at signal processing. In principle auto-correlation could be used for that purpose but I am interested in a command that outputs a period for a given allowable error or a graphical display that can help in an assessment.

Analytic convolution and analysis of the convolution terms for periodic conditions would be great for analytic functions.

I have no time (and limited skills) to program such things myself.

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