plfft

fourier transform an array

parameter	type	units	description
x	float*	--	positions of points to be transformed
n	int	--	number of points
dir	int	--	direction of the transform (0=forward)
returns:	void

Description

plfft fourier transforms the data in x. n is the number of elements in x. For dir=0 the transformation in in forward direction, with other values a back transform is applied.

Examples

See also

xyplot