numpy.fft.fft2()
numpy.fft.fft2
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numpy.fft.fft2(a, s=None, axes=(-2, -1), norm=None)[source] -
Compute the 2-dimensional discrete Fourier Transform
This function computes the n-dimensional discrete Fourier Transform over any axes in an M-dimensional array by means of the Fast Fourier Transform (FFT). By default, the transform is computed over the last two axes of the input array, i.e., a 2-dimensional FFT.
Parameters: a : array_like
Input array, can be com