Package org.apache.commons.math4.analysis.function

Class Expm1

java.lang.Object

org.apache.commons.math4.analysis.function.Expm1

All Implemented Interfaces:

UnivariateDifferentiableFunction, UnivariateFunction

public class Expm1
extends java.lang.Object
implements UnivariateDifferentiableFunction

ex-1 function.

Since:

3.0

Constructor Summary

Constructors

Constructor	Description
Expm1()

Method Summary

Modifier and Type	Method	Description
double	value(double x)	Compute the value of the function.
DerivativeStructure	value(DerivativeStructure t)	Simple mathematical function.

Methods inherited from class java.lang.Object

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

Constructor Details

Expm1

public Expm1()

Method Details

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.

value

public DerivativeStructure value(DerivativeStructure t)

Simple mathematical function.

UnivariateDifferentiableFunction classes compute both the value and the first derivative of the function.

Specified by:

value in interface UnivariateDifferentiableFunction

Parameters:

t - function input value

Returns:

function result

Since:

3.1