SMath Studio Core documentation
TMatrix.FFT Method
Computes the nn-point discrete Fourier transform (DFT) of this dIn vector using a fast Fourier transform (FFT) algorithm.
Definition
Namespace: SMath.Math.Numeric
Assembly: SMath.Math.Numeric (in SMath.Math.Numeric.dll) Version: 1.73.9126.0
The nn-point discrete Fourier transform (DFT) of this dIn. The same size as this dIn.
Assembly: SMath.Math.Numeric (in SMath.Math.Numeric.dll) Version: 1.73.9126.0
C#
public TMatrix FFT(
double[] dIn,
int nn,
int beginData
)VB
Public Function FFT (
dIn As Double(),
nn As Integer,
beginData As Integer
) As TMatrixC++
public:
TMatrix^ FFT(
array<double>^ dIn,
int nn,
int beginData
)F#
member FFT :
dIn : float[] *
nn : int *
beginData : int -> TMatrix Parameters
- dIn Double[]
- Vector to perform Fourier transform for.
- nn Int32
- Transform length.
- beginData Int32
- Dimension to perform Fourier transform along.
Return Value
TMatrixThe nn-point discrete Fourier transform (DFT) of this dIn. The same size as this dIn.