ewoksndreg.math.fft.fftfreq#

ewoksndreg.math.fft.fftfreq(n, d=1, centered=False, freqconvention=fftConvention.numpy)[source]#

Fourier space with zero frequency first

Parameters:
  • n (int) – number of real space data points

  • d (float) – real space data point spacing

  • centered (bool) – zero frequency in the middle

  • freqconvention (fftConvention) – even frequency convention

Return type:

ndarray