mlx.core.fft.fftn

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mlx.core.fft.fftn#

fftn(a: array, s: Optional[Sequence[int]] = None, axes: Optional[Sequence[int]] = None, stream: Optional[Union[Stream, Device]] = None) → array#

n-dimensional discrete Fourier Transform.

Parameters:

  • a (array) – The input array.

  • s (list(int), optional) – Sizes of the transformed axes. The corresponding axes in the input are truncated or padded with zeros to match the sizes in s. The default value is the sizes of a along axes.

  • axes (list(int), optional) – Axes along which to perform the FFT. The default is None in which case the FFT is over the last len(s) axes are or all axes if s is also None.

Returns:

The DFT of the input along the given axes.

Return type:

array

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