HessianGradientDescent

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

```
public class HessianGradientDescent
extends Solver
```
This class implements a gradient descent involving Hessian correction for solving unconstrained optimization problems. it is natively implemented

Author:

Matthias Thimm

Constructor Summary

Constructors
Constructor Description

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

Method Summary

Modifier and Type	Method	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.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 Detail
  - HessianGradientDescent
```
public HessianGradientDescent(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