Package net.sf.tweety.math.opt.solver

Class HessianGradientDescent

java.lang.Object

net.sf.tweety.math.opt.solver.Solver

net.sf.tweety.math.opt.solver.HessianGradientDescent

public class HessianGradientDescent
extends Solver

This class implements a gradient descent involving Hessian correction for solving unconstrained optimization problems. it is natively implemented

Author:

Matthias Thimm

Constructor Summary

Constructors

Constructor	Description
HessianGradientDescent(Map<Variable,Term> startingPoint)

Method Summary

Modifier and Type	Method	Description
static boolean	isInstalled()
Map<Variable,Term>	solve(ConstraintSatisfactionProblem problem)	Computes a solution to the given constraint satisfaction or optimization problem, i.e.

Methods inherited from class net.sf.tweety.math.opt.solver.Solver

getDefaultGeneralSolver, getDefaultIntegerLinearSolver, getDefaultLinearSolver, hasDefaultGeneralSolver, hasDefaultIntegerLinearSolver, hasDefaultLinearSolver, setDefaultGeneralSolver, setDefaultIntegerLinearSolver, setDefaultLinearSolver

Methods inherited from class java.lang.Object

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

Constructor Detail

HessianGradientDescent

public HessianGradientDescent(Map<Variable,Term> startingPoint)

Method Detail

solve

public Map<Variable,Term> solve(ConstraintSatisfactionProblem problem)
                               throws GeneralMathException

Description copied from class: Solver

Computes a solution to the given constraint satisfaction or optimization problem, i.e. a mapping from variables of the problem to terms.

Specified by:

solve in class Solver

Parameters:

problem - the actual problem

Returns:

a mapping from variables of the problem to terms.

Throws:

GeneralMathException - if something went wrong.

isInstalled

public static boolean isInstalled()
                           throws UnsupportedOperationException

Throws:

UnsupportedOperationException