Re: Period of numerically defined function

[Daniel Lichtblau]

Might want to check these.

http://mathematica.stackexchange.com/questions/5852/how-to-find-the-period-of-an-arbitrary-mathematical-function

http://mathematica.stackexchange.com/questions/38217/finding-fourier-transform-of-data-and-hence-frequencies

http://mathematica.stackexchange.com/questions/42783/how-do-you-find-the-frequency-and-amplitude-from-fourier/43006#43006

Daniel Lichtblau
Wolfram Research

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By selecting maxima/minima or otherwise, is there a way to find time
period of a function defined/available numerically?

In maths basically, are there criteria governing structuring of
differential equations that generate periodic functions?

Narasimham