Function

All Superinterfaces:

java.io.Serializable

All Known Implementing Classes:

ArcTangent, Gaussian, HyperbolicTangent, Identity, Sigmoid, Sign, Sinc, SymmetricSign
```
public interface Function
extends java.io.Serializable
```
Interface for real functions F(x): R -> R. If the function has a derivate, the method getDerivate() MUST be implemented and return a new object to handle this derivate.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`double`	`eval(double x)`	Function to evaluate.
`Function`	`getDerivate()`	Evaluate the first derivate of this function f'(x)

- Method Detail
  - eval
```
double eval(double x)
```
    Function to evaluate.
    
    Parameters:
    
    x - the input value
    
    Returns:
    
    f(x)
  - getDerivate
```
Function getDerivate()
```
    Evaluate the first derivate of this function f'(x)
    
    Returns:
    
    a new Function object with the derivate function.