problem
Class VectorFunctionToProblem

java.lang.Object
  problem.BasicOptimizationProblem
      problem.BasicBoundConstrainedProblem
          problem.BasicInequalityConstrainedProblem
              problem.VectorFunctionToProblem

All Implemented Interfaces:

BoundConstrainedProblem, InequalityConstrainedProblem, OptimizationProblem

public class VectorFunctionToProblem
extends BasicInequalityConstrainedProblem

Adapts a VectorFunction to an InequalityConstrainedProblem. As of now, this does not combine a VectorFunction with ScalarFunctions to create a problem in which one routine computes the objective and some constraints, and the other constraints are computed individually.

Author:

dgorur

Field Summary

Fields inherited from class problem.BasicBoundConstrainedProblem

constraintViolations, tmpArr

Fields inherited from class problem.BasicOptimizationProblem

formatter

Constructor Summary

VectorFunctionToProblem()

Method Summary

boolean	addInequalityConstraint(ScalarFunction con) Adds the given ScalarFunction as an inequality constraint.
protected void	computeConstraintViolations(double[] x) Computes inequality constraint violations in addition to bound constraint violations.
int	getConstraintCount() Returns the number of constraints that this problem has.
ScalarFunction	getObjective() Returns the objective for this problem, which is a ScalarFunction.
VectorFunction	getVectorFunction() Returns the vector function used by this adapter.
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)
boolean	removeInequalityConstraint(ScalarFunction con) Removes the given ScalarFunction from the list of constraints.
void	setObjective(ScalarFunction obj) NOTE: Does nothing! In contrast, @see problem.BasicOptimizationProblem#setObjective(function.ScalarFunction)
void	setVectorFunction(VectorFunction vectorFunction) Sets the vector function to be used for this adapter.

Methods inherited from class problem.BasicInequalityConstrainedProblem

addConstraintViolations, getConstraints

Methods inherited from class problem.BasicBoundConstrainedProblem

getBounds, getConstraintViolations, setBounds

Methods inherited from class problem.BasicOptimizationProblem

getInputDimension, getOutputDimension, 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

getConstraintViolations, setBounds

Methods inherited from interface problem.OptimizationProblem

getBounds, getInputDimension, getOutputDimension, makeDataBlock

Constructor Detail

VectorFunctionToProblem

public VectorFunctionToProblem()

Method Detail

addInequalityConstraint

public boolean addInequalityConstraint(ScalarFunction con)

Description copied from interface: InequalityConstrainedProblem

Adds the given ScalarFunction as an inequality constraint.

Specified by:

addInequalityConstraint in interface InequalityConstrainedProblem

Overrides:

addInequalityConstraint in class BasicInequalityConstrainedProblem

Parameters:

con - the given ScalarFunction.

Returns:

true

See Also:

ArrayList.add(Object)

getConstraintCount

public int getConstraintCount()

Description copied from interface: InequalityConstrainedProblem

Returns the number of constraints that this problem has.

Specified by:

getConstraintCount in interface InequalityConstrainedProblem

Overrides:

getConstraintCount in class BasicInequalityConstrainedProblem

Returns:

the number of constraint functions.

getObjective

public ScalarFunction getObjective()

Description copied from interface: OptimizationProblem

Returns the objective for this problem, which is a ScalarFunction.

Specified by:

getObjective in interface OptimizationProblem

Overrides:

getObjective in class BasicOptimizationProblem

Returns:

the objective for this problem.

getVectorFunction

public VectorFunction getVectorFunction()

Returns the vector function used by this adapter.

Returns:

the vector function used by this adapter.

init

public void init()

Description copied from interface: OptimizationProblem

Initialization routine.

Specified by:

init in interface OptimizationProblem

Overrides:

init in class BasicInequalityConstrainedProblem

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.

removeInequalityConstraint

public boolean removeInequalityConstraint(ScalarFunction con)

Description copied from interface: InequalityConstrainedProblem

Removes the given ScalarFunction from the list of constraints.

Specified by:

removeInequalityConstraint in interface InequalityConstrainedProblem

Overrides:

removeInequalityConstraint in class BasicInequalityConstrainedProblem

Parameters:

con - the given ScalarFunction.

Returns:

true if the given constraint was found in the list of constraints.

See Also:

ArrayList.remove(Object)

setObjective

public void setObjective(ScalarFunction obj)

NOTE: Does nothing! In contrast, @see problem.BasicOptimizationProblem#setObjective(function.ScalarFunction)

Specified by:

setObjective in interface OptimizationProblem

Overrides:

setObjective in class BasicOptimizationProblem

Parameters:

obj - the given objective.

setVectorFunction

public void setVectorFunction(VectorFunction vectorFunction)

Sets the vector function to be used for this adapter.

Parameters:

vectorFunction - the given vector function.

computeConstraintViolations

protected void computeConstraintViolations(double[] x)

Description copied from class: BasicInequalityConstrainedProblem

Computes inequality constraint violations in addition to bound constraint violations.

Overrides:

computeConstraintViolations in class BasicInequalityConstrainedProblem

Parameters:

x - the given input.

See Also:

BasicBoundConstrainedProblem.computeConstraintViolations(double[])

makeOutputs

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

Overrides:

makeOutputs in class BasicBoundConstrainedProblem