org.ptolemy.optimization

Class ObjectiveFunctionWithSoftConstraints

java.lang.Object

org.ptolemy.optimization.ObjectiveFunction

org.ptolemy.optimization.ObjectiveFunctionWithSoftConstraints

public class ObjectiveFunctionWithSoftConstraints
extends ObjectiveFunction

The objective function class which is used in Phase 1 of the interior point method. In the interior point method, a starting point X must be a feasible point that satisfies all constraints. If the feasible point couldn't be found, the interior point method solve the problem using this class treating the hard constraints as soft constraints.

Since:

Ptolemy II 11.0

Version:

$Id$

Author:

Shuhei Emoto

Pt.AcceptedRating:

Pt.ProposedRating:

Red (shuhei)

Field Summary

Fields inherited from class org.ptolemy.optimization.ObjectiveFunction

currentX, f0Gradient, f0Hessian, f0Result, fiGradients, fiHessians, fiResults, iterationCounter, quasiNewtonMethod, stopRequested

Constructor Summary

Constructors

Constructor and Description
ObjectiveFunctionWithSoftConstraints(ObjectiveFunction a_source)

Method Summary

Modifier and Type	Method and Description
void	calcFuncInternal(double[] x) Objective function called in optimization class.
boolean	calcFunction(double[] x) Objective function and constraint functions.

Methods inherited from class org.ptolemy.optimization.ObjectiveFunction

checkFeasibility, clearMatrix, getCurrentPoint

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectiveFunctionWithSoftConstraints

public ObjectiveFunctionWithSoftConstraints(ObjectiveFunction a_source)

Method Detail

calcFunction

public boolean calcFunction(double[] x)

Description copied from class: ObjectiveFunction

Objective function and constraint functions. In this function, all results(f0_result, fi_results) and gradients(f0_gradient, fi_gradients) must be updated.

Specified by:

calcFunction in class ObjectiveFunction

Parameters:

x - : input variables

Returns:

If calculation was terminated by user input, return "false".

calcFuncInternal

public void calcFuncInternal(double[] x)

Objective function called in optimization class.

Overrides:

calcFuncInternal in class ObjectiveFunction

Parameters:

x - input variables