CoolingScheduleExponential

java.lang.Object
- org.opt4j.optimizer.sa.CoolingScheduleExponential

All Implemented Interfaces:

CoolingSchedule
```
public class CoolingScheduleExponential
extends Object
implements CoolingSchedule
```
The CoolingScheduleExponential is a CoolingSchedule for the SimulatedAnnealing.

tn - final temperature
t0 - initial temperature
i - current iteration
n - maximal number of iterations
a - alpha value

The current temperature is calculated by tn + t0 * a^i.

Field Summary

Fields
Modifier and Type Field Description

protected double alpha

protected double t0

protected double tn

Constructor Summary

Constructors
Constructor	Description
`CoolingScheduleExponential(double t0, double tn, double alpha)`	Constructs a new `CoolingScheduleExponential`.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`getTemperature(int i, int n)`	Returns the temperature for the iteration `i` of the maximal number of iterations `n`.

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

- Field Detail
  - t0
```
protected final double t0
```
  - tn
```
protected final double tn
```
  - alpha
```
protected final double alpha
```
- Constructor Detail
  - CoolingScheduleExponential
```
@Inject
public CoolingScheduleExponential(double t0,
                                  double tn,
                                  double alpha)
```
    Constructs a new CoolingScheduleExponential.
    
    Parameters:
    
    t0 - the initial temperature (using namespace CoolingSchedule)
    
    tn - the final temperature (using namespace CoolingSchedule ) )
    
    alpha - the alpha value
- Method Detail
  - getTemperature
```
public double getTemperature(int i,
                             int n)
```
    Description copied from interface: CoolingSchedule
    
    Returns the temperature for the iteration i of the maximal number of iterations n.
    
    Specified by:
    
    getTemperature in interface CoolingSchedule
    
    Parameters:
    
    i - the current iteration
    
    n - the maximal number of iterations
    
    Returns:
    
    the temperature for the current iteration