org.apache.commons.math3.analysis.function
Class Log1p

java.lang.Object
  extended by org.apache.commons.math3.analysis.function.Log1p
All Implemented Interfaces:
DifferentiableUnivariateFunction, UnivariateFunction

public class Log1p
extends Object
implements DifferentiableUnivariateFunction

log(1 + p) function.

Since:
3.0
Version:
$Id$

Constructor Summary
Log1p()
           
 
Method Summary
 UnivariateFunction derivative()
          Returns the derivative of the function
 double value(double x)
          Compute the value of the function.
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

Log1p

public Log1p()
Method Detail

value

public double value(double x)
Compute the value of the function.

Specified by:
value in interface UnivariateFunction
Parameters:
x - Point at which the function value should be computed.
Returns:
the value of the function.

derivative

public UnivariateFunction derivative()
Returns the derivative of the function

Specified by:
derivative in interface DifferentiableUnivariateFunction
Returns:
the derivative function


Copyright (c) 2003-2013 Apache Software Foundation