dev.nm.solver.multivariate.geneticalgorithm.minimizer.local

Class LocalSearchCellFactory<P extends OptimProblem,T extends IterativeMinimizer<OptimProblem>>

java.lang.Object

dev.nm.solver.multivariate.geneticalgorithm.minimizer.simplegrid.SimpleCellFactory

dev.nm.solver.multivariate.geneticalgorithm.minimizer.local.LocalSearchCellFactory<P,T>

Type Parameters:

P - the optimization problem type

T - the minimizer type for local search

public class LocalSearchCellFactory<P extends OptimProblem,T extends IterativeMinimizer<OptimProblem>>
extends SimpleCellFactory

A LocalSearchCellFactory produces LocalSearchCellFactory.LocalSearchCells. A LocalSearchCellFactory.LocalSearchCell is a chromosome for a real valued function (an optimization problem) and a candidate solution. Its mutation operation is by a local minimization method, Nelder-Mead, BFGS, searching the neighborhood of the current solution.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	LocalSearchCellFactory.LocalSearchCell A LocalSearchCell implements the two genetic operations.
static interface	LocalSearchCellFactory.MinimizerFactory<U extends IterativeMinimizer<OptimProblem>> This factory constructs a new Minimizer for each mutation operation.

Nested classes/interfaces inherited from class dev.nm.solver.multivariate.geneticalgorithm.minimizer.simplegrid.SimpleCellFactory

SimpleCellFactory.SimpleCell

Field Summary

Fields inherited from class dev.nm.solver.multivariate.geneticalgorithm.minimizer.simplegrid.SimpleCellFactory

uniform

Constructor Summary

Constructors

Constructor and Description
LocalSearchCellFactory(LocalSearchCellFactory.MinimizerFactory<T> factory, RandomLongGenerator uniform) Construct an instance of a LocalSearchCellFactory.

Method Summary

Modifier and Type	Method and Description
LocalSearchCellFactory.LocalSearchCell	getSimpleCell(RealScalarFunction f, Vector x) Construct an instance of a SimpleCell.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

LocalSearchCellFactory

public LocalSearchCellFactory(LocalSearchCellFactory.MinimizerFactory<T> factory,
                              RandomLongGenerator uniform)

Construct an instance of a LocalSearchCellFactory.

Parameters:

factory - a factory that generates a new instance of a Minimizer for local search

uniform - a uniform random number generator

Method Detail

getSimpleCell

public LocalSearchCellFactory.LocalSearchCell getSimpleCell(RealScalarFunction f,
                                                            Vector x)

Description copied from class: SimpleCellFactory

Construct an instance of a SimpleCell.

Overrides:

getSimpleCell in class SimpleCellFactory

Parameters:

f - a real-valued function

x - a candidate solution

Returns:

a SimpleCell