beta
Computes the beta function for parameters a and b.
The beta function is defined as gamma(a) * gamma(b) / gamma(a + b). Computed as the exponential of lnBeta.
Example:
beta(1.0, 1.0) // 1.0
beta(0.5, 0.5) // 3.1415... (pi)Content copied to clipboard
Return
Parameters
a
the first shape parameter. Must be positive.
b
the second shape parameter. Must be positive.