statistics-0.10.0.0: A library of statistical types, data, and functions

Portabilityportable
Stabilityexperimental
Maintainerbos@serpentine.com

Statistics.Transform

Description

Fourier-related transformations of mathematical functions.

These functions are written for simplicity and correctness, not speed. If you need a fast FFT implementation for your application, you should strongly consider using a library of FFTW bindings instead.

Synopsis

Documentation

dct :: Vector CD -> Vector DoubleSource

Discrete cosine transform.

idct :: Vector CD -> Vector DoubleSource

Inverse discrete cosine transform.

fft :: Vector CD -> Vector CDSource

Radix-2 decimation-in-time fast Fourier transform.

ifft :: Vector CD -> Vector CDSource

Inverse fast Fourier transform.