net.sf.tweety.math.opt

Class OpenOptRootFinder

java.lang.Object

net.sf.tweety.math.opt.RootFinder

net.sf.tweety.math.opt.OptimizationRootFinder

net.sf.tweety.math.opt.OpenOptRootFinder

public class OpenOptRootFinder
extends OptimizationRootFinder

A wrapper for the open opt library.

Author:

Matthias Thimm

Field Summary

Fields

Modifier and Type	Field and Description
double	contol
double	ftol
double	gtol
double	xtol

Fields inherited from class net.sf.tweety.math.opt.RootFinder

PRECISION

Constructor Summary

Constructors

Constructor and Description
OpenOptRootFinder(java.util.List<Term> functions, java.util.Map<Variable,Term> startingPoint) Creates a new root finder for the given starting point and the given (multi-dimensional) function
OpenOptRootFinder(Term function, java.util.Map<Variable,Term> startingPoint) Creates a new root finder for the given starting point and the given function

Method Summary

Modifier and Type	Method and Description
java.lang.String	getOpenOptCode() Builds the OpenOpt code for the given problem which can be interpreted by a python.
java.util.Map<Variable,Term>	randomRoot() Determines the values for the variables appearing in the function such the function evaluates to zero.

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

buildOptimizationProblem

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

getFunctions, getStartingPoint, setStartingPoint

Methods inherited from class java.lang.Object

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

Field Detail

contol

public double contol

ftol

public double ftol

gtol

public double gtol

xtol

public double xtol

Constructor Detail

OpenOptRootFinder

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

Creates a new root finder for the given starting point and the given function

Parameters:

startingPoint -

OpenOptRootFinder

public OpenOptRootFinder(java.util.List<Term> functions,
                         java.util.Map<Variable,Term> startingPoint)

Creates a new root finder for the given starting point and the given (multi-dimensional) function

Parameters:

startingPoint -

Method Detail

getOpenOptCode

public java.lang.String getOpenOptCode()

Builds the OpenOpt code for the given problem which can be interpreted by a python.

Returns:

the OpenOpt code for the given problem which can be interpreted by a python.

randomRoot

public java.util.Map<Variable,Term> randomRoot()
                                        throws GeneralMathException

Description copied from class: RootFinder

Determines the values for the variables appearing in the function such the function evaluates to zero.

Specified by:

randomRoot in class OptimizationRootFinder

Returns:

a map from variables to terms such that "function" evaluates to zero.

Throws:

GeneralMathException - if something went wrong.