Package gov.nih.mipav.model.algorithms

Class CeresSolver.BFGS

java.lang.Object

gov.nih.mipav.model.algorithms.CeresSolver.LineSearchDirection

gov.nih.mipav.model.algorithms.CeresSolver.BFGS

Enclosing class:

CeresSolver

class CeresSolver.BFGS
extends CeresSolver.LineSearchDirection

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	initialized_
private Jama.Matrix	inverse_hessian_
private boolean	is_positive_definite_
private int	num_parameters_
private boolean	use_approximate_eigenvalue_scaling_

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

options

Constructor Summary

Constructors

Constructor	Description
BFGS(int num_parameters, boolean use_approximate_eigenvalue_scaling)

Method Summary

Modifier and Type	Method	Description
boolean	NextDirection(CeresSolver.LineSearchMinimizer.State previous, CeresSolver.LineSearchMinimizer.State current, Vector<Double> search_direction)

Methods inherited from class java.lang.Object

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

Field Details

num_parameters_

private int num_parameters_

use_approximate_eigenvalue_scaling_

private boolean use_approximate_eigenvalue_scaling_

inverse_hessian_

private Jama.Matrix inverse_hessian_

initialized_

private boolean initialized_

is_positive_definite_

private boolean is_positive_definite_

Constructor Details

BFGS

public BFGS(int num_parameters,
 boolean use_approximate_eigenvalue_scaling)

Method Details

NextDirection

public boolean NextDirection(CeresSolver.LineSearchMinimizer.State previous,
 CeresSolver.LineSearchMinimizer.State current,
 Vector<Double> search_direction)

Specified by:

NextDirection in class CeresSolver.LineSearchDirection