ifft ( seq -- seq' )

Vocabulary

math.transforms.fft

Inputs

seq	a sequence

Outputs

seq'	a sequence

Word description

Computes the inverse discrete Fourier transform of a nonempty sequence, normalized by its length. The input is not modified. Uses the same decomposition as fft.

Definition

USING: math.transforms.fft.private sequences ;

IN: math.transforms.fft

: ifft ( seq -- seq' )
    [ not-enough-data ] [ t (fft) ] if-empty ;