Package org.apache.commons.numbers.gamma

Class LogBeta

  • public class LogBeta
extends java.lang.Object
    Computes \( log_e \Beta(p, q) \).

    This class is immutable.

    • Constructor Summary

      Constructors 
      Constructor Description
      LogBeta()  

    • Method Summary

      Modifier and Type Method Description
      static double value​(double p, double q)
      Returns the value of log B(p, q) for 0 ≤ x ≤ 1 and p, q > 0.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Constructor Detail

      • LogBeta

        public LogBeta()

    • Method Detail

      • value

        public static double value​(double p,
                           double q)
        Returns the value of log B(p, q) for 0 ≤ x ≤ 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(Beta(p, q)), NaN if p <= 0 or q <= 0.