ILMatheig Method (InArraySingle, OutArrayfcomplex)

public static RetArray<fcomplex> eig(
	InArray<float> A,
	OutArray<fcomplex> V
)

Public Shared Function eig ( 
	A As InArray(Of Single),
	V As OutArray(Of fcomplex)
) As RetArray(Of fcomplex)

Dim A As InArray(Of Single)
Dim V As OutArray(Of fcomplex)
Dim returnValue As RetArray(Of fcomplex)

returnValue = ILMath.eig(A, V)

Parameters

A

Type: ILNumericsInArraySingle
Input matrix. Size [n x n].

V

Type: ILNumericsOutArrayfcomplex
[Optional] Output, matrix of eigenvectors of A. Size [n x n]. Default: (null) do not compute. If not null on entry V returns the Eigenvectors.

Return Value

The eigenvalues of A are found by use of the Lapack functions dgeevx, sgeevx, cgeevx and zgeevx.

The matrices returned will be fcomplex, since A may be nonsymmetric. Use eigSymm(InArraySingle) for computing real eigenvalues of symmetric matrices.

A is internally balanced first. This includes permutations and scaling of A in order to improve the conditioning of the eigenvalues.

[ILNumerics Computing Engine]

Reference