problem
Class BasicBoundConstrainedProblem

java.lang.Object
  problem.BasicOptimizationProblem
      problem.BasicBoundConstrainedProblem

All Implemented Interfaces:

BoundConstrainedProblem, OptimizationProblem

Direct Known Subclasses:

BasicInequalityConstrainedProblem, BasicMultiObjectiveProblem

public class BasicBoundConstrainedProblem
extends BasicOptimizationProblem
implements BoundConstrainedProblem

Basic implementation of methods in BoundConstrainedProblem. Note: Invoke the init() method before using.

Author:

dgorur

Field Summary

protected cern.colt.list.DoubleArrayList	constraintViolations
protected double[]	tmpArr

Fields inherited from class problem.BasicOptimizationProblem

formatter

Constructor Summary

BasicBoundConstrainedProblem()
Default constructor.

BasicBoundConstrainedProblem(ScalarFunction objective)
Constructs a BasicBoundConstrainedProblem using the given objective.

BasicBoundConstrainedProblem(ScalarFunction objective, Hypercube bounds)
Constructs a BasicBoundConstrainedProblem using the given objective function and the given bounds.

Method Summary

protected void	addConstraintViolations() Adds bound constraint violation terms to the list of constraint violations.
protected void	computeConstraintViolations(double[] x) Computes the bound constraint violations at the given input
Hypercube	getBounds() Returns the bounds for this problem.
double[]	getConstraintViolations(double[] x) Returns the bound-constraint violations for a given input.
void	init() Initialization routine.
DataPoint	makeDataPoint(double[] x) Constructs and returns a DataPoint corresponding to a given input, containing the associated objective values and constraint violations.
protected cern.colt.matrix.DoubleMatrix2D	makeOutputs(cern.colt.matrix.DoubleMatrix2D X)
void	setBounds(Hypercube bounds) Sets the bounds for this problem.

Methods inherited from class problem.BasicOptimizationProblem

getInputDimension, getObjective, getOutputDimension, makeDataBlock, setInputDimension, setObjective, setOutputDimension, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface problem.OptimizationProblem

getInputDimension, getObjective, getOutputDimension, makeDataBlock, setObjective

Field Detail

constraintViolations

protected cern.colt.list.DoubleArrayList constraintViolations

tmpArr

protected double[] tmpArr

Constructor Detail

BasicBoundConstrainedProblem

public BasicBoundConstrainedProblem()

Default constructor. Creates an empty problem

BasicBoundConstrainedProblem

public BasicBoundConstrainedProblem(ScalarFunction objective)

Constructs a BasicBoundConstrainedProblem using the given objective.

Parameters:

objective - the given objective function.

BasicBoundConstrainedProblem

public BasicBoundConstrainedProblem(ScalarFunction objective,
                                    Hypercube bounds)

Constructs a BasicBoundConstrainedProblem using the given objective function and the given bounds.

Parameters:

objective - the given objective function.

bounds - the given bounds.

Method Detail

getBounds

public Hypercube getBounds()

Description copied from interface: OptimizationProblem

Returns the bounds for this problem.

Specified by:

getBounds in interface OptimizationProblem

Overrides:

getBounds in class BasicOptimizationProblem

Returns:

the bounds for this problem.

getConstraintViolations

public double[] getConstraintViolations(double[] x)

Description copied from interface: BoundConstrainedProblem

Returns the bound-constraint violations for a given input.

Specified by:

getConstraintViolations in interface BoundConstrainedProblem

Parameters:

x - the given input.

Returns:

an array of constraint violations.

init

public void init()

Description copied from interface: OptimizationProblem

Initialization routine.

Specified by:

init in interface OptimizationProblem

Overrides:

init in class BasicOptimizationProblem

makeDataPoint

public DataPoint makeDataPoint(double[] x)

Description copied from interface: OptimizationProblem

Constructs and returns a DataPoint corresponding to a given input, containing the associated objective values and constraint violations.

Specified by:

makeDataPoint in interface OptimizationProblem

Overrides:

makeDataPoint in class BasicOptimizationProblem

Parameters:

x - the given input.

Returns:

a DataPoint corresponding to this input.

setBounds

public void setBounds(Hypercube bounds)

Description copied from interface: BoundConstrainedProblem

Sets the bounds for this problem. Row 0 corresponds to the lower bound and row 1 corresponds to the upper bound.

Specified by:

setBounds in interface BoundConstrainedProblem

Parameters:

bounds - the given bounds.

addConstraintViolations

protected void addConstraintViolations()

Adds bound constraint violation terms to the list of constraint violations.

computeConstraintViolations

protected void computeConstraintViolations(double[] x)

Computes the bound constraint violations at the given input

Parameters:

x - the given input.

makeOutputs

protected cern.colt.matrix.DoubleMatrix2D makeOutputs(cern.colt.matrix.DoubleMatrix2D X)

Overrides:

makeOutputs in class BasicOptimizationProblem