pal.math
Class ErrorFunction

java.lang.Object
  pal.math.ErrorFunction

public class ErrorFunction
extends java.lang.Object

error function and related stuff

Version:

$Id: ErrorFunction.java,v 1.2 2001/07/13 14:39:13 korbinian Exp $

Author:

Korbinian Strimmer

Constructor Summary

ErrorFunction()

Method Summary

static double	erf(double x) error function
static double	erfc(double x) complementary error function = 1-erf(x)
static double	inverseErf(double z) inverse error function

Methods inherited from class java.lang.Object

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

Constructor Detail

ErrorFunction

public ErrorFunction()

Method Detail

erf

public static double erf(double x)

error function

Parameters:

x - argument

Returns:

function value

erfc

public static double erfc(double x)

complementary error function = 1-erf(x)

Parameters:

x - argument

Returns:

function value

inverseErf

public static double inverseErf(double z)

inverse error function

Parameters:

z - argument

Returns:

function value