.. highlightlang:: us

.. index:: ifft

.. _ifft:

ifft
====

.. us.tag  ifft ENGLISH fft

Calculates the Inverse Fourier Transformation.

.. function::  cvIFFT = ifft(cv)

.. us.return

**Return Value**

*cvIFFT* is the complex inverse Fourier-Transformed *cv*.

.. us.params

**Parameters**

.. uparam:: cv

   *cv* is a complex or real vector.

.. us.comment

**Comment**

If *cv* is a matrix, all columns will be transformed
parallelly.

.. seealso::
   :ref:`overview-mathematic`,
   :ref:`fft`

:sub:`id-1606534`