Returns the incomplete Beta function ratio.
double
value specifying the upper limit of integration It must be in the interval [0,1] inclusive. double
value specifying the first Beta parameter. It must be positive. double
value specifying the second Beta parameter. It must be positive. A double
value specifying the incomplete Beta function ratio.
See Beta
for the definition of .
The parameters p and q must both be greater than zero. The argument x must lie in the range 0 to 1. The incomplete beta function can underflow for sufficiently small x and large p; however, this underflow is not reported as an error. Instead, the value zero is returned as the function value.
The method BetaIncomplete
is based on the work of Bosten and Battiste (1974).
Sfun Class | Imsl.Math Namespace | Example