Sfun.LogBeta Method

SfunLogBeta Method

Returns the logarithm of the Beta function.

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

Syntax

public static double LogBeta(
	double a,
	double b
)

Public Shared Function LogBeta ( 
	a As Double,
	b As Double
) As Double

public:
static double LogBeta(
	double a, 
	double b
)

static member LogBeta : 
        a : float * 
        b : float -> float

Parameters

a: Type: SystemDouble
A double value.
b: Type: SystemDouble
A double value.

Return Value

Type: Double
A double value specifying the natural logarithm of the Beta function.

Remarks

Method LogBeta computes ${\rm ln} \, \beta \left( {a,b} \right) = {\rm ln} \, \beta \left( {b,a} \right)$ . See Beta for the definition of $\beta \left( {a,b} \right)$ .

LogBeta is defined for $a \gt 0$ and $b \gt 0$ . It returns accurate results even when a or b is very small. It can overflow for very large arguments; this error condition is not detected except by the computer hardware.

Reference

Sfun Class

Imsl.Math Namespace

Other Resources

Example