Evaluates the incomplete beta function for 0 is less than or equal to x, which is less than or equal to 1, for positive real numbers a and b. Details

![]() |
x is a real number between 0 and 1. |
![]() |
a is a positive real number. |
![]() |
b is a positive real number. |
![]() |
incomplete beta is the result of the incomplete beta function for the given values of x, a, and b. |
![]() |
error returns any error or warning condition from the VI. |
The incomplete beta function is defined by

with a, b > 0 and 0
x
1 where B(a, b) denotes the beta function of a and b.
An efficient strategy for calculating
is based on the continued fraction

with
depending on i, a, b, and x.