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C++ API

: betainc (x, a, b)

Compute the regularized incomplete Beta function.

The regularized incomplete Beta function is defined by

                                  x
                         1       /
betainc (x, a, b) = -----------   |t^(a-1) (1-t)^(b-1) dt.
                   beta (a, b)   /
                              t=0

If x has more than one component, both a and b must be scalars. If x is a scalar, a and b must be of compatible dimensions.

See also: betaincinv, beta, betaln.

Package: octave