MutateDoubleNonUniform

java.lang.Object
- org.opt4j.operator.mutate.MutateDouble
- - org.opt4j.operator.mutate.MutateDoubleElementwise
  - - org.opt4j.optimizer.mopso.MutateDoubleUniform
    - - org.opt4j.optimizer.mopso.MutateDoubleNonUniform

All Implemented Interfaces:

Operator<DoubleGenotype>, Mutate<DoubleGenotype>
```
public class MutateDoubleNonUniform
extends MutateDoubleUniform
```
The MutateDoubleNonUniform non-uniformly mutates a DoubleGenotype elementwise.

Field Summary

Fields
Modifier and Type Field Description

protected Iteration iteration
- Fields inherited from class org.opt4j.optimizer.mopso.MutateDoubleUniform
  perturbation
- Fields inherited from class org.opt4j.operator.mutate.MutateDouble
  normalize, random

Constructor Summary

Constructors
Constructor	Description
`MutateDoubleNonUniform(Rand random, NormalizeDouble normalize, Iteration iteration, double perturbation)`	Constructs a `MutateDoubleNonUniform`.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected double`	`delta(double perturbation)`	Calculates the delta value for the non-uniform mutation.
`protected double`	`mutateElement(double x, double lb, double ub, double p)`	Mutate one element of the list.

Methods inherited from class org.opt4j.operator.mutate.MutateDoubleElementwise
mutateList

Methods inherited from class org.opt4j.operator.mutate.MutateDouble
mutate

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

- Field Detail
  - iteration
```
protected final Iteration iteration
```
- Constructor Detail
  - MutateDoubleNonUniform
```
@Inject
public MutateDoubleNonUniform(Rand random,
                              NormalizeDouble normalize,
                              Iteration iteration,
                              double perturbation)
```
    Constructs a MutateDoubleNonUniform.
    
    Parameters:
    
    random - the random number generator
    
    normalize - the normalize operator
    
    iteration - the iteration counter
    
    perturbation - the perturbation index
- Method Detail
  - mutateElement
```
protected double mutateElement(double x,
                               double lb,
                               double ub,
                               double p)
```
    Description copied from class: MutateDoubleElementwise
    
    Mutate one element of the list.
    
    Overrides:
    
    mutateElement in class MutateDoubleUniform
    
    Parameters:
    
    x - the element
    
    lb - the lower bound
    
    ub - the upper bound
    
    p - the mutation rate
    
    Returns:
    
    the mutated element
  - delta
```
protected double delta(double perturbation)
```
    Calculates the delta value for the non-uniform mutation.
    
    Parameters:
    
    perturbation - the perturbation value
    
    Returns:
    
    the delta value