hex.optimization

Class L_BFGS.History

java.lang.Object

water.Iced

hex.optimization.L_BFGS.History

All Implemented Interfaces:

java.io.Externalizable, java.io.Serializable, java.lang.Cloneable, water.Freezable

Enclosing class:

L_BFGS

public static final class L_BFGS.History
extends water.Iced

Keeps L-BFGS history ie curvature information recorded over the last m steps.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
L_BFGS.History(int m, int n)

Method Summary

Methods

Modifier and Type	Method and Description
protected double[]	getSearchDirection(double[] gradient, double[] q)

Methods inherited from class water.Iced

asBytes, clone, copyOver, frozenType, read, readExternal, readJSON, reloadFromBytes, toJsonString, write, writeExternal, writeJSON

Methods inherited from class java.lang.Object

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

Constructor Detail

L_BFGS.History

public L_BFGS.History(int m,
              int n)

Method Detail

getSearchDirection

protected final double[] getSearchDirection(double[] gradient,
                          double[] q)