Expm1 (VirtualDataSet API)

java.lang.Object
- org.apache.commons.math4.analysis.function.Expm1

All Implemented Interfaces:

UnivariateDifferentiableFunction, UnivariateFunction
```
public class Expm1
extends java.lang.Object
implements UnivariateDifferentiableFunction
```
e^x-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 Detail
  - Expm1
```
public Expm1()
```
- 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.
  - 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