ManagedFft2D.BackwardTransform Method

Definition

Namespace: Numerics.NET.SignalProcessing
Assembly: Numerics.NET (in Numerics.NET.dll) Version: 9.0.2

Overload List

BackwardTransform(Matrix<Complex<T>>, Matrix<T>) 
BackwardTransform(ReadOnlySpan2D<Complex<T>>, Span2D<T>) 
BackwardTransform(ComplexConjugateSignalMatrix<T>) Computes the discrete Fourier transform of a real signal and returns the result.
BackwardTransform(Matrix<Complex<T>>) Computes the discrete Fourier transform of a complex signal and returns the result..
BackwardTransform(ComplexConjugateSignalMatrix<T>, DenseMatrix<T>) Computes the discrete Fourier transform of a real signal.
BackwardTransform(DenseMatrix<Complex<T>>, DenseMatrix<Complex<T>>) Computes the discrete Fourier transform of a complex signal.
BackwardTransform(Matrix<Complex<T>>, Matrix<T>) Computes the discrete Fourier transform of a real signal.
BackwardTransform(ReadOnlySpan2D<Complex<T>>, Span2D<T>) 
BackwardTransform(Matrix<Complex<T>>, Matrix<T>, RealFftFormat) Computes the inverse discrete Fourier transform of a real signal.
BackwardTransform(ReadOnlySpan<Complex<Double>>, Int32, Span<Complex<Double>>, Int32) Computes the discrete Fourier transform of a real signal.
BackwardTransform(ReadOnlySpan<Complex<Double>>, Int32, Span<Double>, Int32) Computes the discrete Fourier transform of a real signal.
BackwardTransform<TStorage2D>(TStorage2D, TStorage2D) Computes the discrete Fourier transform of a complex signal.
BackwardTransform<TStorage2D, TComplexStorage2D>(TComplexStorage2D, TStorage2D) Computes the discrete Fourier transform of a real signal.

BackwardTransform(ReadOnlySpan<Complex<Double>>, Int32, Span<Complex<Double>>, Int32)

Computes the discrete Fourier transform of a real signal.
C#
public override void BackwardTransform(
	ReadOnlySpan<Complex<double>> input,
	int inputLeadingDimension,
	Span<Complex<double>> output,
	int outputLeadingDimension
)

Parameters

input  ReadOnlySpan<Complex<Double>>
A span containing a complex 2D array to hold the transformed signal.
inputLeadingDimension  Int32
The number of elements between the start of successive columns in input.
output  Span<Complex<Double>>
A span containing a real 2D array containing the input signal.
outputLeadingDimension  Int32
The number of elements between the start of successive columns in output.

BackwardTransform(ReadOnlySpan<Complex<Double>>, Int32, Span<Double>, Int32)

Computes the discrete Fourier transform of a real signal.
C#
public override void BackwardTransform(
	ReadOnlySpan<Complex<double>> input,
	int inputLeadingDimension,
	Span<double> output,
	int outputLeadingDimension
)

Parameters

input  ReadOnlySpan<Complex<Double>>
A span containing a complex 2D array to hold the transformed signal.
inputLeadingDimension  Int32
The number of elements between the start of successive columns in input.
output  Span<Double>
A span containing a real 2D array containing the input signal.
outputLeadingDimension  Int32
The number of elements between the start of successive columns in output.

See Also