harmonics

harmonics(y, n, /, axis=- 1)[source]

Select the first Fourier harmonics of the time series. Useful for example in removing seasonal cycles.

Parameters

  • y (array-like) – The data.

  • n (int) – The number of harmonics.

  • axis (int, optional) – The axis along which harmonics are taken.

Returns

array-like – The Fourier harmonics.