net.sf.tweety.math.opt.solver

Class LbfgsSolver

java.lang.Object

net.sf.tweety.math.opt.Solver

net.sf.tweety.math.opt.solver.LbfgsSolver

public class LbfgsSolver
extends Solver

This class implements a wrapper for L-BFGS.

Author:

Matthias Thimm

Field Summary

Fields

Modifier and Type	Field and Description
private org.slf4j.Logger	log Logger.
private java.util.Map<Variable,Term>	startingPoint The starting point for the solver.

Constructor Summary

Constructors

Constructor and Description
LbfgsSolver(java.util.Map<Variable,Term> startingPoint)

Method Summary

Modifier and Type	Method and Description
static boolean	isInstalled()
java.util.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

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

Field Detail

log

private org.slf4j.Logger log

Logger.

startingPoint

private java.util.Map<Variable,Term> startingPoint

The starting point for the solver.

Constructor Detail

LbfgsSolver

public LbfgsSolver(java.util.Map<Variable,Term> startingPoint)

Method Detail

solve

public java.util.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 java.lang.UnsupportedOperationException

Throws:

java.lang.UnsupportedOperationException