SymEigen.PerformanceIndex Method

SymEigenPerformanceIndex Method

Returns the performance index of a real symmetric eigensystem.

Namespace: Imsl.Math
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.2.0

Syntax

public double PerformanceIndex(
	double[,] a
)

Public Function PerformanceIndex ( 
	a As Double(,)
) As Double

public:
double PerformanceIndex(
	array<double,2>^ a
)

member PerformanceIndex : 
        a : float[,] -> float

Type: Double
A double scalar value indicating how well the algorithms which have computed the eigenvalue and eigenvector pairs have performed.

Remarks

A performance index less than 1 is considered excellent, 1 to 100 is good, while greater than 100 is considered poor.