GradientFunction (Apache Commons Math 4.0-beta1)

java.lang.Object
- org.apache.commons.math4.legacy.analysis.differentiation.GradientFunction

All Implemented Interfaces:

MultivariateVectorFunction
```
public class GradientFunction
extends Object
implements MultivariateVectorFunction
```
Class representing the gradient of a multivariate function.
The vectorial components of the function represent the derivatives with respect to each function parameters.

Since:

3.1

- Constructor Summary
  
  Constructors
  Constructor Description
  
  GradientFunction(MultivariateDifferentiableFunction f)
  Simple constructor.
- Method Summary
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  double[] value(double[] point)
  Compute the value for the function at the given point.
  - Methods inherited from class java.lang.Object
    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - GradientFunction
```
public GradientFunction(MultivariateDifferentiableFunction f)
```
    Simple constructor.
    
    Parameters:
    
    f - underlying real-valued function
- Method Detail
  - value
```
public double[] value(double[] point)
```
    Compute the value for the function at the given point.
    
    Specified by:
    
    value in interface MultivariateVectorFunction
    
    Parameters:
    
    point - point at which the function must be evaluated
    
    Returns:
    
    function value for the given point