EvaluationCounter

java.lang.Object
- pal.math.EvaluationCounter

All Implemented Interfaces:

MultivariateFunction
```
public class EvaluationCounter
extends java.lang.Object
implements MultivariateFunction
```
A utiltity class that can be used to track the number of evaluations of a general function

Author:

Matthew Goode

Constructor Summary

Constructors
Constructor Description

EvaluationCounter(MultivariateFunction base)

Constructors
Constructor	Description
`EvaluationCounter(MultivariateFunction base)`

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`evaluate(double[] argument)`	compute function value
`int`	`getEvaluationCount()`
`double`	`getLowerBound(int n)`	get lower bound of argument n
`int`	`getNumArguments()`	get number of arguments
`OrthogonalHints`	`getOrthogonalHints()`
`double`	`getUpperBound(int n)`	get upper bound of argument n
`void`	`reset()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - EvaluationCounter
```
public EvaluationCounter(MultivariateFunction base)
```
- Method Detail
  - evaluate
```
public final double evaluate(double[] argument)
```
    Description copied from interface: MultivariateFunction
    
    compute function value
    
    Specified by:
    
    evaluate in interface MultivariateFunction
    
    Parameters:
    
    argument - function argument (vector)
    
    Returns:
    
    function value
  - reset
```
public final void reset()
```
  - getEvaluationCount
```
public final int getEvaluationCount()
```
  - getNumArguments
```
public final int getNumArguments()
```
    Description copied from interface: MultivariateFunction
    
    get number of arguments
    
    Specified by:
    
    getNumArguments in interface MultivariateFunction
    
    Returns:
    
    number of arguments
  - getLowerBound
```
public final double getLowerBound(int n)
```
    Description copied from interface: MultivariateFunction
    
    get lower bound of argument n
    
    Specified by:
    
    getLowerBound in interface MultivariateFunction
    
    Parameters:
    
    n - argument number
    
    Returns:
    
    lower bound
  - getUpperBound
```
public final double getUpperBound(int n)
```
    Description copied from interface: MultivariateFunction
    
    get upper bound of argument n
    
    Specified by:
    
    getUpperBound in interface MultivariateFunction
    
    Parameters:
    
    n - argument number
    
    Returns:
    
    upper bound
  - getOrthogonalHints
```
public final OrthogonalHints getOrthogonalHints()
```
    Specified by:
    
    getOrthogonalHints in interface MultivariateFunction
    
    Returns:
    
    an Orthogonal Hints object that can be used by Orthogonal based optimisers to get information about the function

Class EvaluationCounter

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Constructor Detail

EvaluationCounter

Method Detail

evaluate

reset

getEvaluationCount

getNumArguments

getLowerBound

getUpperBound

getOrthogonalHints