net.algart.matrices.spectra

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Package net.algart.matrices.spectra

Algorithms of fast spectral transformations of one- or multidimensional sample arrays, including n-dimensional AlgART matrices.

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Description

Interface Summary
Interface	Description
SampleArray	Array of samples for transforming by some spectral algorithm like FFT.
SpectralTransform	Spectral transform: Fourier, Hartley, Hadamar, etc.

Class Summary
Class	Description
AbstractSpectralTransform	A skeletal implementation of the `SpectralTransform` interface to minimize the effort required to implement this interface.
ComplexScalarSampleArray	Array of samples, where each sample is a complex number, represented by a pair of `double` values, stored in two AlgART arrays `UpdatablePNumberArray`.
ComplexVectorSampleArray	Array of samples, where each sample is a vector of complex numbers with some fixed length, represented by an array of pairs of `double` values, stored in two AlgART arrays `UpdatablePNumberArray`.
FastFourierTransform	Fast Fourier transform (FFT).
RealScalarSampleArray	Array of samples, where each sample is a real number, represented by a `double` value, stored in an AlgART array `UpdatablePNumberArray`.
RealVectorSampleArray	Array of samples, where each sample is a vector of real numbers with some fixed length, represented by an array of `double` values, stored in an AlgART arras `UpdatablePNumberArray`.
SeparableFastHartleyTransform	Fast Hartley transform (FHT) (in multidimensional case — the separable fast Hartley transform).