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

Field Summary

Fields

Modifier and Type

Field

Description

int

MAXITERATIONS

The maximum number of iterations of the simplex algorithm.

boolean

onlyPositive

Whether only positive solutions are allowed.
Constructor Summary

Constructors

Constructor

Description

ApacheCommonsSimplex()
Method Summary

Modifier and Type

Method

Description

static boolean

isInstalled()

Map<Variable,Term>

solve(GeneralConstraintSatisfactionProblem problem)

Computes a solution to the given constraint satisfaction or optimization problem, i.e.

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

Field Details
- MAXITERATIONS
  
  public int MAXITERATIONS
  
  The maximum number of iterations of the simplex algorithm.
- onlyPositive
  
  public boolean onlyPositive
  
  Whether only positive solutions are allowed.
Constructor Details
- ApacheCommonsSimplex
  
  public ApacheCommonsSimplex()
Method Details
- solve
  
  public Map<Variable,Term> solve(GeneralConstraintSatisfactionProblem problem)
  
  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.
- isInstalled
  
  public static boolean isInstalled() throws UnsupportedOperationException
  
  Returns:
  
  if solver is installed
  
  Throws:
  
  UnsupportedOperationException - UnsupportedOperationException