org.deeplearning4j.nn

Class HiddenLayer

java.lang.Object

org.deeplearning4j.nn.HiddenLayer

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

RectifiedLinearHiddenLayer

public class HiddenLayer
extends Object
implements Serializable

Vectorized Hidden Layer

Author:

Adam Gibson

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	HiddenLayer.Builder

Field Summary

Fields

Modifier and Type	Field and Description
protected ActivationFunction	activationFunction
protected org.jblas.DoubleMatrix	b
protected org.apache.commons.math3.distribution.RealDistribution	dist
protected org.jblas.DoubleMatrix	input
protected int	nIn
protected int	nOut
protected org.apache.commons.math3.random.RandomGenerator	rng
protected static long	serialVersionUID
protected org.jblas.DoubleMatrix	W

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	HiddenLayer()
	HiddenLayer(int nIn, int nOut, org.jblas.DoubleMatrix W, org.jblas.DoubleMatrix b, org.apache.commons.math3.random.RandomGenerator rng, org.jblas.DoubleMatrix input)
	HiddenLayer(int nIn, int nOut, org.jblas.DoubleMatrix W, org.jblas.DoubleMatrix b, org.apache.commons.math3.random.RandomGenerator rng, org.jblas.DoubleMatrix input, ActivationFunction activationFunction)
	HiddenLayer(int nIn, int nOut, org.jblas.DoubleMatrix W, org.jblas.DoubleMatrix b, org.apache.commons.math3.random.RandomGenerator rng, org.jblas.DoubleMatrix input, ActivationFunction activationFunction, org.apache.commons.math3.distribution.RealDistribution dist)
	HiddenLayer(int nIn, int nOut, org.jblas.DoubleMatrix W, org.jblas.DoubleMatrix b, org.apache.commons.math3.random.RandomGenerator rng, org.jblas.DoubleMatrix input, org.apache.commons.math3.distribution.RealDistribution dist)

Method Summary

Methods

Modifier and Type	Method and Description
org.jblas.DoubleMatrix	activate() Trigger an activation with the last specified input
org.jblas.DoubleMatrix	activate(org.jblas.DoubleMatrix input) Initialize the layer with the given input and return the activation for this layer given this input
HiddenLayer	clone()
ActivationFunction	getActivationFunction()
org.jblas.DoubleMatrix	getB()
org.jblas.DoubleMatrix	getInput()
int	getnIn()
int	getnOut()
org.apache.commons.math3.random.RandomGenerator	getRng()
org.jblas.DoubleMatrix	getW()
org.jblas.DoubleMatrix	sampleHGivenV(org.jblas.DoubleMatrix input) Sample this hidden layer given the input and initialize this layer with the given input
org.jblas.DoubleMatrix	sampleHiddenGivenVisible() Sample this hidden layer given the last input.
void	setActivationFunction(ActivationFunction activationFunction)
void	setB(org.jblas.DoubleMatrix b)
void	setInput(org.jblas.DoubleMatrix input)
void	setnIn(int nIn)
void	setnOut(int nOut)
void	setRng(org.apache.commons.math3.random.RandomGenerator rng)
void	setW(org.jblas.DoubleMatrix w)
HiddenLayer	transpose()

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

protected static final long serialVersionUID

See Also:

Constant Field Values

nIn

protected int nIn

nOut

protected int nOut

W

protected org.jblas.DoubleMatrix W

b

protected org.jblas.DoubleMatrix b

rng

protected org.apache.commons.math3.random.RandomGenerator rng

input

protected org.jblas.DoubleMatrix input

activationFunction

protected ActivationFunction activationFunction

dist

protected org.apache.commons.math3.distribution.RealDistribution dist

Constructor Detail

HiddenLayer

protected HiddenLayer()

HiddenLayer

public HiddenLayer(int nIn,
           int nOut,
           org.jblas.DoubleMatrix W,
           org.jblas.DoubleMatrix b,
           org.apache.commons.math3.random.RandomGenerator rng,
           org.jblas.DoubleMatrix input,
           ActivationFunction activationFunction)

HiddenLayer

public HiddenLayer(int nIn,
           int nOut,
           org.jblas.DoubleMatrix W,
           org.jblas.DoubleMatrix b,
           org.apache.commons.math3.random.RandomGenerator rng,
           org.jblas.DoubleMatrix input)

HiddenLayer

public HiddenLayer(int nIn,
           int nOut,
           org.jblas.DoubleMatrix W,
           org.jblas.DoubleMatrix b,
           org.apache.commons.math3.random.RandomGenerator rng,
           org.jblas.DoubleMatrix input,
           ActivationFunction activationFunction,
           org.apache.commons.math3.distribution.RealDistribution dist)

HiddenLayer

public HiddenLayer(int nIn,
           int nOut,
           org.jblas.DoubleMatrix W,
           org.jblas.DoubleMatrix b,
           org.apache.commons.math3.random.RandomGenerator rng,
           org.jblas.DoubleMatrix input,
           org.apache.commons.math3.distribution.RealDistribution dist)

Method Detail

getnIn

public int getnIn()

setnIn

public void setnIn(int nIn)

getnOut

public int getnOut()

setnOut

public void setnOut(int nOut)

getW

public org.jblas.DoubleMatrix getW()

setW

public void setW(org.jblas.DoubleMatrix w)

getB

public org.jblas.DoubleMatrix getB()

setB

public void setB(org.jblas.DoubleMatrix b)

getRng

public org.apache.commons.math3.random.RandomGenerator getRng()

setRng

public void setRng(org.apache.commons.math3.random.RandomGenerator rng)

getInput

public org.jblas.DoubleMatrix getInput()

setInput

public void setInput(org.jblas.DoubleMatrix input)

getActivationFunction

public ActivationFunction getActivationFunction()

setActivationFunction

public void setActivationFunction(ActivationFunction activationFunction)

clone

public HiddenLayer clone()

Overrides:

clone in class Object

transpose

public HiddenLayer transpose()

activate

public org.jblas.DoubleMatrix activate()

Trigger an activation with the last specified input

Returns:

the activation of the last specified input

activate

public org.jblas.DoubleMatrix activate(org.jblas.DoubleMatrix input)

Initialize the layer with the given input and return the activation for this layer given this input

Parameters:

input - the input to use

Returns:

sampleHGivenV

public org.jblas.DoubleMatrix sampleHGivenV(org.jblas.DoubleMatrix input)

Sample this hidden layer given the input and initialize this layer with the given input

Parameters:

input - the input to sample

Returns:

the activation for this layer given the input

sampleHiddenGivenVisible

public org.jblas.DoubleMatrix sampleHiddenGivenVisible()

Sample this hidden layer given the last input.

Returns:

the activation for this layer given the previous input