nuroko.module

Class AWeightLayer

java.lang.Object

nuroko.module.AComponent

nuroko.module.AWeightLayer

All Implemented Interfaces:

Cloneable, Iterable<IComponent>, IComponent, IFunction<mikera.vectorz.AVector,mikera.vectorz.AVector>, IInput, IInputOutput, IInputState, IModule, IOutput, IOutputState, IParameterised, ISynthesiser, IThinker, ITrainable

Direct Known Subclasses:

FullWeightLayer, SparseWeightLayer

public abstract class AWeightLayer
extends AComponent

Abstract base class representing a weighted linear transformation.

Author:

Mike

Field Summary

Fields

Modifier and Type	Field and Description
protected static double	BIAS_INITIAL_SCALE
protected static double	INITIAL_WEIGHT_SCALE
protected mikera.vectorz.Vector	input
protected mikera.vectorz.Vector	inputGradient
protected int	inputLength
protected mikera.vectorz.Vector	output
protected mikera.vectorz.Vector	outputGradient
protected int	outputLength

Constructor Summary

Constructors

Constructor and Description
AWeightLayer(int inputLength, int outputLength)

Method Summary

Modifier and Type	Method and Description
abstract mikera.matrixx.AMatrix	asMatrix()
abstract AWeightLayer	clone() Creates a clone of a module, including a deep copy of any mutable state.
abstract mikera.vectorz.AVector	getBias()
List<IComponent>	getComponents()
mikera.vectorz.Vector	getInput()
mikera.vectorz.Vector	getInputGradient()
int	getInputLength()
IInputState	getInputState()
abstract AWeightLayer	getInverse()
abstract int	getLinkCount(int outputIndex)
abstract int	getLinkSource(int outputIndex, int number)
abstract double	getLinkWeight(int outputIndex, int number)
List<IModule>	getModules() Returns a list of sub-components of this module
mikera.vectorz.Vector	getOutput()
mikera.vectorz.Vector	getOutputGradient()
int	getOutputLength()
abstract mikera.indexz.Index	getSourceIndex(int outputIndex)
abstract mikera.vectorz.AVector	getSourceWeights(int outputIndex)
abstract void	initRandom() Randomly initialises a component's parameters
void	setInput(mikera.vectorz.AVector input)
void	trainGradient(mikera.vectorz.AVector input, mikera.vectorz.AVector outputGradient, mikera.vectorz.AVector inputGradient, double factor)

Methods inherited from class nuroko.module.AComponent

applyConstraints, applyConstraintsInternal, generate, generate, getComponent, getConstraints, getDefaultLossFunction, getDownStack, getLearnFactor, getParameterLength, getUpStack, isStochastic, isSynthesiser, iterator, setConstraint, setLearnFactor, setOutput, think, think, thinkInternalTraining, topComponent, train, train, trainGradientInternal, trainSynth, trainSynth

Methods inherited from class java.lang.Object

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

Methods inherited from interface nuroko.core.IComponent

hasDifferentTrainingThinking, thinkInternal

Methods inherited from interface nuroko.core.IParameterised

getGradient, getParameters

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Detail

INITIAL_WEIGHT_SCALE

protected static final double INITIAL_WEIGHT_SCALE

See Also:

Constant Field Values

BIAS_INITIAL_SCALE

protected static final double BIAS_INITIAL_SCALE

See Also:

Constant Field Values

inputLength

protected final int inputLength

outputLength

protected final int outputLength

input

protected final mikera.vectorz.Vector input

inputGradient

protected final mikera.vectorz.Vector inputGradient

output

protected final mikera.vectorz.Vector output

outputGradient

protected final mikera.vectorz.Vector outputGradient

Constructor Detail

AWeightLayer

public AWeightLayer(int inputLength,
                    int outputLength)

Method Detail

getModules

public List<IModule> getModules()

Description copied from interface: IModule

Returns a list of sub-components of this module

Specified by:

getModules in interface IModule

Overrides:

getModules in class AComponent

Returns:

getInputLength

public int getInputLength()

Specified by:

getInputLength in interface IInput

Overrides:

getInputLength in class AComponent

getOutputLength

public int getOutputLength()

Specified by:

getOutputLength in interface IOutput

Overrides:

getOutputLength in class AComponent

getInverse

public abstract AWeightLayer getInverse()

getLinkCount

public abstract int getLinkCount(int outputIndex)

getLinkWeight

public abstract double getLinkWeight(int outputIndex,
                                     int number)

getBias

public abstract mikera.vectorz.AVector getBias()

getLinkSource

public abstract int getLinkSource(int outputIndex,
                                  int number)

getSourceIndex

public abstract mikera.indexz.Index getSourceIndex(int outputIndex)

getSourceWeights

public abstract mikera.vectorz.AVector getSourceWeights(int outputIndex)

clone

public abstract AWeightLayer clone()

Description copied from interface: IModule

Creates a clone of a module, including a deep copy of any mutable state.

Specified by:

clone in interface IComponent

Specified by:

clone in interface IModule

Specified by:

clone in interface IParameterised

Specified by:

clone in interface ISynthesiser

Specified by:

clone in interface IThinker

Specified by:

clone in interface ITrainable

Overrides:

clone in class AComponent

Returns:

trainGradient

public void trainGradient(mikera.vectorz.AVector input,
                          mikera.vectorz.AVector outputGradient,
                          mikera.vectorz.AVector inputGradient,
                          double factor)

initRandom

public abstract void initRandom()

Description copied from interface: IComponent

Randomly initialises a component's parameters

Specified by:

initRandom in interface IComponent

Overrides:

initRandom in class AComponent

asMatrix

public abstract mikera.matrixx.AMatrix asMatrix()

getInputState

public IInputState getInputState()

Specified by:

getInputState in interface IComponent

Overrides:

getInputState in class AComponent

getInput

public mikera.vectorz.Vector getInput()

getOutput

public mikera.vectorz.Vector getOutput()

getOutputGradient

public mikera.vectorz.Vector getOutputGradient()

setInput

public void setInput(mikera.vectorz.AVector input)

Specified by:

setInput in interface IInputState

Overrides:

setInput in class AComponent

getInputGradient

public mikera.vectorz.Vector getInputGradient()

getComponents

public List<IComponent> getComponents()