neural.net
Class Layer

java.lang.Object
  neural.net.Layer

All Implemented Interfaces:

java.io.Serializable

public class Layer
extends java.lang.Object
implements java.io.Serializable

Represents a layer of neurons within an Artificial Neural Net

Version:

1.0.0

Author:

Jonathan Reimels

See Also:

Serialized Form

Constructor Summary

Layer(int neuronCount, int inputCountPerNeuron, ActivationFunction activationFunction)
Constructor

Method Summary

double[]	fire(double[] inputs) Fire the layer of neurons, loops through each neuron in the layer and fires it
double[]	getLastOutputs() Get the output from the last fire()
Neuron	getNeuron(int id) Get a specific neuron in the layer
int	getNeuronCount() Get number of neurons in the layer

Methods inherited from class java.lang.Object

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

Constructor Detail

Layer

public Layer(int neuronCount,
             int inputCountPerNeuron,
             ActivationFunction activationFunction)

Constructor

Parameters:

neuronCount - - number of neurons in the layer

inputCountPerNeuron - - number of inputs for each neuron in the layer

activationFunction - - class implementing ActivationFunction, used to calculate activation value of neuron

Method Detail

getNeuronCount

public int getNeuronCount()

Get number of neurons in the layer

Returns:

neuron count

getNeuron

public Neuron getNeuron(int id)
                 throws java.lang.Exception

Get a specific neuron in the layer

Parameters:

id - - the neuron to get

Returns:

Neuron

Throws:

java.lang.Exception - - throws an exception if id is out of bounds

getLastOutputs

public double[] getLastOutputs()

Get the output from the last fire()

Returns:

last output

fire

public double[] fire(double[] inputs)
              throws java.lang.Exception

Fire the layer of neurons, loops through each neuron in the layer and fires it

Parameters:

inputs - - input to pass to each neuron

Returns:

output from each neuron

Throws:

java.lang.Exception - - throws an exception if inputs length is invalid