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SfunBeta Method
Returns the value of the Beta function.

Namespace: Imsl.Math
Assembly: ImslCS (in ImslCS.dll) Version: 6.5.2.0
Syntax
public static double Beta(
	double a,
	double b
)

Parameters

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

Return Value

Type: Double
A double value specifying the Beta function.
Remarks
The Beta function is defined to be

\beta (a,b) = {{\Gamma (a)\Gamma (b)} \over 
            {\Gamma (a + b)}} = \int_0^1 {t^{a - 1} } (1 - t)^{b - 1} dt

See Gamma for the definition of \Gamma 
            \left( x \right).

The method Beta requires that both arguments be positive.

See Also

Reference

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