FFTSHIFT(1)

NAME
fftshift - swap arrays (used with fft)

SYNOPSIS
Y = fftshift(X)

PARAMETERS

X and Y
    double vectors

DESCRIPTION
fftshift(X) swaps the left and right halves of X.

fftshift is a substitute for mtlb_fftshift, a Scilab function which is in FRACLAB contribution. We provide it here, since its necessary for many image processing tasks.

REMARKS
There are optional arguments not documented, as well as other features of this function that we don't cover in this manpage.

AUTHORS
Ricardo Fabbri <rfabbri@if.sc.usp.br>, with help from Scilab Group <Scilab@inria.fr>

AVAILABILITY
The latest version of the Scilab Image Processing toolbox can be found at

    http://cyvision.if.sc.usp.br/~rfabbri/sip/

SEE ALSO
fft, FRACLAB toolbox