# Package org.apache.commons.math3.transform

Implementations of transform methods, including Fast Fourier transforms.

See: Description

- Interface Summary
  Interface | Description
  --- | ---
  RealTransformer | Interface for one-dimensional data sets transformations producing real results.

- Class Summary
  Class | Description
  --- | ---
  FastCosineTransformer | Implements the Fast Cosine Transform for transformation of one-dimensional real data sets.
  FastFourierTransformer | Implements the Fast Fourier Transform for transformation of one-dimensional real or complex data sets.
  FastFourierTransformer.MultiDimensionalComplexMatrix | Deprecated see MATH-736
  FastHadamardTransformer | Implements the Fast Hadamard Transform (FHT).
  FastSineTransformer | Implements the Fast Sine Transform for transformation of one-dimensional real data sets.
  TransformUtils | Useful functions for the implementation of various transforms.

- Enum Summary
  Enum | Description
  --- | ---
  DctNormalization | This enumeration defines the various types of normalizations that can be applied to discrete cosine transforms (DCT).
  DftNormalization | This enumeration defines the various types of normalizations that can be applied to discrete Fourier transforms (DFT).
  DstNormalization | This enumeration defines the various types of normalizations that can be applied to discrete sine transforms (DST).
  TransformType | This enumeration defines the type of transform which is to be computed.

## Package org.apache.commons.math3.transform Description

Implementations of transform methods, including Fast Fourier transforms.

Copyright (c) 2003-2013 Apache Software Foundation