LogBeta (Apache Commons Numbers 1.2 API)

java.lang.Object

org.apache.commons.numbers.gamma.LogBeta

public final class LogBeta extends Object

Computes \( log_e B(p, q) \).

This class is immutable.

Method Summary

Modifier and Type

Method

Description

static double

value(double p, double q)

Returns the value of \( \log B(p, q) \) for \( 0 \leq x \leq 1 \) and \( p, q > 0 \).

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details
- value
  
  public static double value(double p, double q)
  
  Returns the value of \( \log B(p, q) \) for \( 0 \leq x \leq 1 \) and \( p, q > 0 \). Based on the NSWC Library of Mathematics Subroutines implementation, DBETLN.
  
  Parameters:
  
  p - First argument.
  
  q - Second argument.
  
  Returns:
  
  the value of \( \log B(p, q) \), or NaN if p <= 0 or q <= 0.