betaln

Natural log of the beta function.

Syntax

v = betaln(a, b)

Description

Returns log(beta(a, b)). Useful when beta(a, b) overflows or underflows.

Example

betaln(50, 50)

See also

• beta — Beta function B(a, b).
• gammaln — Natural logarithm of the gamma function, ln(|Γ(x)|).