problem
Class BasicMultiObjectiveProblem

java.lang.Object
  problem.BasicOptimizationProblem
      problem.BasicBoundConstrainedProblem
          problem.BasicMultiObjectiveProblem

All Implemented Interfaces:

BoundConstrainedProblem, MultiObjectiveProblem, OptimizationProblem

public class BasicMultiObjectiveProblem
extends BasicBoundConstrainedProblem
implements MultiObjectiveProblem

Base class for multiobjective problems.

Author:

dgorur

Field Summary

Fields inherited from class problem.BasicBoundConstrainedProblem

constraintViolations, tmpArr

Fields inherited from class problem.BasicOptimizationProblem

formatter

Constructor Summary

BasicMultiObjectiveProblem()

Method Summary

double[]	getConstraintViolations(double[] x) Returns the bound-constraint violations for a given input.
ScalarFunction	getObjective() NOTE! Returns null! In contrast, @see problem.BasicOptimizationProblem#getObjective()
int	getObjectiveCount() Returns the number of objectives.
int	getOutputDimension() Returns the number of outputs = number of constraints + 1.
VectorFunction	getVectorFunction() Returns the vector function for computing multiple objectives..
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	setObjective(ScalarFunction obj) Sets the objective for this problem..
void	setVectorFunction(VectorFunction vectorFunction) Sets the vector function for computing multiple objectives..

Methods inherited from class problem.BasicBoundConstrainedProblem

addConstraintViolations, computeConstraintViolations, getBounds, setBounds

Methods inherited from class problem.BasicOptimizationProblem

getInputDimension, makeDataBlock, setInputDimension, setOutputDimension, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface problem.BoundConstrainedProblem

setBounds

Methods inherited from interface problem.OptimizationProblem

getBounds, getInputDimension, makeDataBlock

Constructor Detail

BasicMultiObjectiveProblem

public BasicMultiObjectiveProblem()

Method Detail

getVectorFunction

public VectorFunction getVectorFunction()

Returns the vector function for computing multiple objectives..

Specified by:

getVectorFunction in interface MultiObjectiveProblem

Returns:

the vector function for computing multiple objectives..

setVectorFunction

public void setVectorFunction(VectorFunction vectorFunction)

Sets the vector function for computing multiple objectives..

Specified by:

setVectorFunction in interface MultiObjectiveProblem

Parameters:

vectorFunction - the given vectorfFunction.

getObjectiveCount

public int getObjectiveCount()

Description copied from interface: MultiObjectiveProblem

Returns the number of objectives.

Specified by:

getObjectiveCount in interface MultiObjectiveProblem

Returns:

the number of objectives.

getObjective

public ScalarFunction getObjective()

NOTE! Returns null! In contrast, @see problem.BasicOptimizationProblem#getObjective()

Specified by:

getObjective in interface OptimizationProblem

Overrides:

getObjective in class BasicOptimizationProblem

Returns:

the objective for this problem.

getOutputDimension

public int getOutputDimension()

Description copied from interface: OptimizationProblem

Returns the number of outputs = number of constraints + 1.

Specified by:

getOutputDimension in interface OptimizationProblem

Overrides:

getOutputDimension in class BasicOptimizationProblem

Returns:

the output dimension.

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 BasicBoundConstrainedProblem

Parameters:

x - the given input.

Returns:

a DataPoint corresponding to this input.

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

Overrides:

getConstraintViolations in class BasicBoundConstrainedProblem

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 BasicBoundConstrainedProblem

setObjective

public void setObjective(ScalarFunction obj)

Description copied from interface: OptimizationProblem

Sets the objective for this problem..

Specified by:

setObjective in interface OptimizationProblem

Overrides:

setObjective in class BasicOptimizationProblem

Parameters:

obj - the given objective.

makeOutputs

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

Overrides:

makeOutputs in class BasicBoundConstrainedProblem