ApacheCommonsSimplex

java.lang.Object

org.tweetyproject.math.opt.solver.Solver

org.tweetyproject.math.opt.solver.ApacheCommonsSimplex

public class ApacheCommonsSimplex extends Solver

This class is a wrapper for the Apache Commons Math Simplex implementation. See http://commons.apache.org/math. Version used is 2.0

Author:: Matthias Thimm

Constructor Summary

Constructors

Constructor

Description

ApacheCommonsSimplex()

Constructor

ApacheCommonsSimplex(boolean restrictToNonNegative)

Constructor

ApacheCommonsSimplex(double precision)

Constructor

ApacheCommonsSimplex(int maxiterations, double precision, boolean restrictToNonNegative)

Constructor
Method Summary

Modifier and Type

Method

Description

static boolean

isInstalled()

Return if solver is installed

Map<Variable,Term>

solve(GeneralConstraintSatisfactionProblem problem)

Logger.

Methods inherited from class org.tweetyproject.math.opt.solver.Solver
getDefaultGeneralSolver, getDefaultIntegerLinearSolver, getDefaultLinearSolver, hasDefaultGeneralSolver, hasDefaultIntegerLinearSolver, hasDefaultLinearSolver, setDefaultGeneralSolver, setDefaultIntegerLinearSolver, setDefaultLinearSolver

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details
- ApacheCommonsSimplex
  
  public ApacheCommonsSimplex()
  
  Constructor
- ApacheCommonsSimplex
  
  public ApacheCommonsSimplex(boolean restrictToNonNegative)
  
  Constructor
  
  Parameters:
  
  restrictToNonNegative - Whether only positive solutions are allowed.
- ApacheCommonsSimplex
  
  public ApacheCommonsSimplex(double precision)
  
  Constructor
  
  Parameters:
  
  precision - The precision
- ApacheCommonsSimplex
  
  public ApacheCommonsSimplex(int maxiterations, double precision, boolean restrictToNonNegative)
  
  Constructor
  
  Parameters:
  
  maxiterations - The maximum number of iterations of the simplex algorithm.
  
  precision - The precision
  
  restrictToNonNegative - Whether only positive solutions are allowed.
Method Details
- solve
  
  public Map<Variable,Term> solve(GeneralConstraintSatisfactionProblem problem)
  
  Logger.
  
  Specified by:
  
  solve in class Solver
  
  Parameters:
  
  problem - the actual problem
  
  Returns:
  
  a mapping from variables of the problem to terms.
- isInstalled
  
  public static boolean isInstalled() throws UnsupportedOperationException
  
  Return if solver is installed
  
  Returns:
  
  if solver is installed
  
  Throws:
  
  UnsupportedOperationException - UnsupportedOperationException