ManagedFft2DOfSingle.BackwardTransform Method

Definition

Namespace: Numerics.NET.SignalProcessing
Assembly: Numerics.NET.SinglePrecision (in Numerics.NET.SinglePrecision.dll) Version: 9.0.1

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<Single>>, Int32, Span<Complex<Single>>, Int32) Computes the discrete Fourier transform of a complex signal.
BackwardTransform(ReadOnlySpan<Complex<Single>>, Int32, Span<Single>, 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<Single>>, Int32, Span<Complex<Single>>, Int32)

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

Parameters

input  ReadOnlySpan<Complex<Single>>
A complex number array containing the input signal.
inputLeadingDimension  Int32
 
output  Span<Complex<Single>>
A complex number array to hold the transformed signal.
outputLeadingDimension  Int32
 

Exceptions

InvalidOperationException The FftDomain of the transform is not complex.

-or-

The input and output are the same, but the transform was not set up for in place calculation

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

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

Parameters

input  ReadOnlySpan<Complex<Single>>
A Double array containing the input signal.
inputLeadingDimension  Int32
 
output  Span<Single>
A complex number array to hold the transformed signal.
outputLeadingDimension  Int32
 

See Also