Package ai.djl.training.optimizer

Class Adadelta

java.lang.Object

ai.djl.training.optimizer.Optimizer

ai.djl.training.optimizer.Adadelta

public class Adadelta
extends Optimizer

Adadelta is an Adadelta Optimizer.

See Also:

• The D2L chapter on Adadelta

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static final class	Adadelta.Builder	The Builder to construct an Adadelta object.

Nested classes/interfaces inherited from class ai.djl.training.optimizer.Optimizer

Optimizer.OptimizerBuilder<T extends Optimizer.OptimizerBuilder>

Field Summary

Fields inherited from class ai.djl.training.optimizer.Optimizer

clipGrad, rescaleGrad

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	Adadelta(Adadelta.Builder builder)	Creates a new instance of Adadelta.

Method Summary

Modifier and Type	Method	Description
void	update(String parameterId, NDArray weight, NDArray grad)	Updates the parameters according to the gradients.

Methods inherited from class ai.djl.training.optimizer.Optimizer

adadelta, adagrad, adam, adamW, getWeightDecay, nag, rmsprop, sgd, updateCount, withDefaultState

Methods inherited from class java.lang.Object

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

Constructor Details

Adadelta

protected Adadelta(Adadelta.Builder builder)

Creates a new instance of Adadelta.

Parameters:

builder - the builder to create a new instance of Adadelta

Method Details

update

public void update(String parameterId,
 NDArray weight,
 NDArray grad)

Updates the parameters according to the gradients.

Specified by:

update in class Optimizer

Parameters:

parameterId - the parameter to be updated

weight - the weights of the parameter

grad - the gradients