.. _routines.fft:

Fourier transforms (:mod:`numpy.fft`)
*************************************

.. currentmodule:: numpy.fft

1-dimensional
-------------
.. autosummary::
   :toctree: generated/

   fft
   ifft

2-dimensional
-------------
.. autosummary::
   :toctree: generated/

   fft2
   ifft2

N-dimensional
-------------
.. autosummary::
   :toctree: generated/

   fftn
   ifftn

Hermite symmetric
-----------------
.. autosummary::
   :toctree: generated/

   hfft
   ihfft

Real-valued
-----------
.. autosummary::
   :toctree: generated/

   rfft
   irfft
   rfft2
   irfft2
   rfftn
   irfftn

Helper routines
---------------
.. autosummary::
   :toctree: generated/

   fftfreq
   fftshift
   ifftshift