com.numericalmethod.suanshu.optimization.unconstrained.steepestdescent

Class GaussNewton.MySteepestDescent.GaussNewtonImpl

java.lang.Object

com.numericalmethod.suanshu.optimization.unconstrained.steepestdescent.SteepestDescent.SteepestDescentImpl

com.numericalmethod.suanshu.optimization.unconstrained.steepestdescent.GaussNewton.MySteepestDescent.GaussNewtonImpl

All Implemented Interfaces:

IterativeMethod<Vector>, IterativeMinimizer<Vector>, MinimizationSolution<Vector>, java.io.Serializable

Enclosing class:

GaussNewton.MySteepestDescent

protected class GaussNewton.MySteepestDescent.GaussNewtonImpl
extends SteepestDescent.SteepestDescentImpl

an implementation of the Gauss-Newton algorithm.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.numericalmethod.suanshu.optimization.unconstrained.steepestdescent.SteepestDescent.SteepestDescentImpl

linesearch, problem

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	GaussNewtonImpl(C2OptimProblem problem, RntoMatrix J)

Method Summary

Modifier and Type	Method and Description
Vector	getDirection(Vector xk) Get the next search direction.

Methods inherited from class com.numericalmethod.suanshu.optimization.unconstrained.steepestdescent.SteepestDescent.SteepestDescentImpl

getIncrement, minimizer, minimum, search, setInitials, step

Methods inherited from class java.lang.Object

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

Constructor Detail

GaussNewtonImpl

protected GaussNewtonImpl(C2OptimProblem problem,
                          RntoMatrix J)
                   throws java.lang.Exception

Throws:

java.lang.Exception

Method Detail

getDirection

public Vector getDirection(Vector xk)

Description copied from class: SteepestDescent.SteepestDescentImpl

Get the next search direction.

Specified by:

getDirection in class SteepestDescent.SteepestDescentImpl

Parameters:

xk - the current minimizer

Returns:

the next search direction