Package etomica.veos.bigdecimal

Class Harmonic

java.lang.Object

etomica.veos.bigdecimal.Harmonic

public class Harmonic
extends java.lang.Object

Harmonic numbers. H(n) is the sum of the inverses of the integers from 1 to n.

Since:

2008-10-19

Constructor Summary

Constructors

Constructor	Description
Harmonic()	ctor() Does nothing.

Method Summary

Modifier and Type	Method	Description
Rational	at(int n)	The Harmonic number at the index specified

Methods inherited from class java.lang.Object

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

Constructor Detail

Harmonic

public Harmonic()

ctor() Does nothing.

Method Detail

at

public Rational at(int n)

The Harmonic number at the index specified

Parameters:

n - the index, non-negative.

Returns:

the H_1=1 for n=1, H_2=3/2 for n=2 etc. For values of n less than 1, zero is returned.