OpenOptSolver

java.lang.Object
- net.sf.tweety.math.opt.Solver
- - net.sf.tweety.math.opt.solver.OpenOptSolver

Direct Known Subclasses:

OpenOptWebSolver
```
public class OpenOptSolver
extends Solver
```
This class implements a wrapper for the OpenOpt optimization library.

Author:

Matthias Thimm

Field Summary

Fields
Modifier and Type	Field and Description
`double`	`contol`
`double`	`ftol`
`double`	`gtol`
`private java.util.Map<java.lang.Integer,Variable>`	`idx2newVars` A map mapping indices to new variables.
`boolean`	`ignoreNotFeasibleError`
`private org.slf4j.Logger`	`log` Logger.
`double`	`maxFunEvals`
`double`	`maxIter`
`private java.util.Map<Variable,Variable>`	`newVars2oldVars` A map mapping old variables to new variables.
`private java.util.Map<Variable,Variable>`	`oldVars2newVars` A map mapping old variables to new variables.
`java.lang.String`	`solver`
`private java.util.Map<Variable,Term>`	`startingPoint` A starting point for the optimization.
`double`	`xtol`

Constructor Summary

Constructors
Constructor and Description

OpenOptSolver()
Creates a new solver.

OpenOptSolver(java.util.Map<Variable,Term> startingPoint)
Creates a new solver for the given problem.

Constructors
Constructor and Description
`OpenOptSolver()` Creates a new solver.
`OpenOptSolver(java.util.Map<Variable,Term> startingPoint)` Creates a new solver for the given problem.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`java.lang.String`	`getOpenOptCode(OptimizationProblem problem)` Builds the OpenOpt code for the given problem which can be interpreted by a python.
`static boolean`	`isInstalled()`
`protected java.util.Map<Variable,Term>`	`parseOutput(java.lang.String output)` This method parses the output data of an OpenOpt run
`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.
  - contol
```
public double contol
```
  - ftol
```
public double ftol
```
  - gtol
```
public double gtol
```
  - xtol
```
public double xtol
```
  - maxIter
```
public double maxIter
```
  - maxFunEvals
```
public double maxFunEvals
```
  - solver
```
public java.lang.String solver
```
  - ignoreNotFeasibleError
```
public boolean ignoreNotFeasibleError
```
  - startingPoint
```
private java.util.Map<Variable,Term> startingPoint
```
    A starting point for the optimization.
  - oldVars2newVars
```
private java.util.Map<Variable,Variable> oldVars2newVars
```
    A map mapping old variables to new variables.
  - newVars2oldVars
```
private java.util.Map<Variable,Variable> newVars2oldVars
```
    A map mapping old variables to new variables.
  - idx2newVars
```
private java.util.Map<java.lang.Integer,Variable> idx2newVars
```
    A map mapping indices to new variables.
- Constructor Detail
  - OpenOptSolver
```
public OpenOptSolver()
```
    Creates a new solver.
  - OpenOptSolver
```
public OpenOptSolver(java.util.Map<Variable,Term> startingPoint)
```
    Creates a new solver for the given problem.
    
    Parameters:
    
    problem - a csp.
    
    startingPoint - a starting point.
- 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.
  - getOpenOptCode
```
public java.lang.String getOpenOptCode(OptimizationProblem problem)
```
    Builds the OpenOpt code for the given problem which can be interpreted by a python.
    
    Returns:
    
    the python code for the given problem
  - parseOutput
```
protected java.util.Map<Variable,Term> parseOutput(java.lang.String output)
```
    This method parses the output data of an OpenOpt run
    
    Parameters:
    
    output - a string.
    
    Returns:
    
    a map from variable to terms
  - isInstalled
```
public static boolean isInstalled()
                           throws java.lang.UnsupportedOperationException
```
    Throws:
    
    java.lang.UnsupportedOperationException

Class OpenOptSolver

Field Summary

Constructor Summary

Method Summary

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

Methods inherited from class java.lang.Object

Field Detail

log

contol

ftol

gtol

xtol

maxIter

maxFunEvals

solver

ignoreNotFeasibleError

startingPoint

oldVars2newVars

newVars2oldVars

idx2newVars

Constructor Detail

OpenOptSolver

OpenOptSolver

Method Detail

solve

getOpenOptCode

parseOutput

isInstalled