Operators and Keywords

C++ API

# fft2.cc File Reference

`#include "lo-mappers.h"`
`#include "defun-dld.h"`
`#include "error.h"`
`#include "gripes.h"`
`#include "oct-obj.h"`
`#include "utils.h"`
Include dependency graph for fft2.cc: ## Defines

#define FFTSRC   "@sc{fftpack}"

## Functions

DEFUN_DLD (fft2, args,,"-*- texinfo -*-\n\ @deftypefn {Loadable Function} {} fft2 (@var{A})\n\ @deftypefnx {Loadable Function} {} fft2 (@var{A}, @var{m}, @var{n})\n\ Compute the two-dimensional discrete Fourier transform of @var{A} using\n\ a Fast Fourier Transform (FFT) algorithm.\n\ \n\ The optional arguments @var{m} and @var{n} may be used specify the\n\ number of rows and columns of @var{A} to use. If either of these is\n\ larger than the size of @var{A}, @var{A} is resized and padded with\n\ zeros.\n\ \n\ If @var{A} is a multi-dimensional matrix, each two-dimensional sub-matrix\n\ of @var{A} is treated separately.\n\ @seealso {ifft2, fft, fftn, fftw}\n\ @end deftypefn")
DEFUN_DLD (ifft2, args,,"-*- texinfo -*-\n\ @deftypefn {Loadable Function} {} ifft2 (@var{A})\n\ @deftypefnx {Loadable Function} {} ifft2 (@var{A}, @var{m}, @var{n})\n\ Compute the inverse two-dimensional discrete Fourier transform of @var{A}\n\ using a Fast Fourier Transform (FFT) algorithm.\n\ \n\ The optional arguments @var{m} and @var{n} may be used specify the\n\ number of rows and columns of @var{A} to use. If either of these is\n\ larger than the size of @var{A}, @var{A} is resized and padded with\n\ zeros.\n\ \n\ If @var{A} is a multi-dimensional matrix, each two-dimensional sub-matrix\n\ of @var{A} is treated separately\n\ @seealso {fft2, ifft, ifftn, fftw}\n\ @end deftypefn")

## Define Documentation

 #define FFTSRC   "@sc{fftpack}"

## Function Documentation

 DEFUN_DLD ( fft2 , args )
 DEFUN_DLD ( ifft2 , args )