Package gov.nih.mipav.model.algorithms

Class CeresSolver.LevenbergMarquardtStrategy

java.lang.Object

gov.nih.mipav.model.algorithms.CeresSolver.TrustRegionStrategy

gov.nih.mipav.model.algorithms.CeresSolver.LevenbergMarquardtStrategy

Enclosing class:

CeresSolver

class CeresSolver.LevenbergMarquardtStrategy
extends CeresSolver.TrustRegionStrategy

Field Summary

Fields

Modifier and Type	Field	Description
private double	decrease_factor_
private Vector<Double>	diagonal_
private CeresSolver.LinearSolver	linear_solver_
private Vector<Double>	lm_diagonal_
private double	max_diagonal_
private double	max_radius_
private double	min_diagonal_
private double	radius_
private boolean	reuse_diagonal_

Fields inherited from class gov.nih.mipav.model.algorithms.CeresSolver.TrustRegionStrategy

options, perSolveOptions, summary

Constructor Summary

Constructors

Constructor	Description
LevenbergMarquardtStrategy(CeresSolver.TrustRegionStrategyOptions options)

Method Summary

Modifier and Type	Method	Description
CeresSolver.TrustRegionStrategySummary	ComputeStep(CeresSolver.TrustRegionStrategyPerSolveOptions per_solve_options, CeresSolver.SparseMatrix jacobian, double[] residuals, double[] step)
double	Radius()
void	StepAccepted(double step_quality)
void	StepIsInvalid()
void	StepRejected(double step_quality)

Methods inherited from class java.lang.Object

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

Field Details

linear_solver_

private CeresSolver.LinearSolver linear_solver_

radius_

private double radius_

max_radius_

private double max_radius_

min_diagonal_

private double min_diagonal_

max_diagonal_

private double max_diagonal_

decrease_factor_

private double decrease_factor_

reuse_diagonal_

private boolean reuse_diagonal_

diagonal_

private Vector<Double> diagonal_

lm_diagonal_

private Vector<Double> lm_diagonal_

Constructor Details

LevenbergMarquardtStrategy

public LevenbergMarquardtStrategy(CeresSolver.TrustRegionStrategyOptions options)

Method Details

ComputeStep

public CeresSolver.TrustRegionStrategySummary ComputeStep(CeresSolver.TrustRegionStrategyPerSolveOptions per_solve_options,
 CeresSolver.SparseMatrix jacobian,
 double[] residuals,
 double[] step)

Specified by:

ComputeStep in class CeresSolver.TrustRegionStrategy

StepAccepted

public void StepAccepted(double step_quality)

Specified by:

StepAccepted in class CeresSolver.TrustRegionStrategy

StepRejected

public void StepRejected(double step_quality)

Specified by:

StepRejected in class CeresSolver.TrustRegionStrategy

StepIsInvalid

public void StepIsInvalid()

Specified by:

StepIsInvalid in class CeresSolver.TrustRegionStrategy

Radius

public double Radius()

Specified by:

Radius in class CeresSolver.TrustRegionStrategy