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## org.encog.neural.pattern
Class ElmanPattern

    java.lang.Object
      org.encog.neural.pattern.ElmanPattern

All Implemented Interfaces:
  NeuralNetworkPattern

    public class ElmanPattern

extends Object
implements NeuralNetworkPattern

This class is used to generate an Elman style recurrent neural network. This network type consists of three regular layers, an input output and hidden layer. There is also a context layer which accepts output from the hidden layer and outputs back to the hidden layer. This makes it a recurrent neural network. The Elman neural network is useful for temporal input data. The specified activation function will be used on all layers. The Elman neural network is similar to the Jordan neural network.

Author:
  jheaton

Constructor Summary
`ElmanPattern()` Create an object to generate Elman neural networks.

Method Summary
`void` | `addHiddenLayer(int count)` Add a hidden layer with the specified number of neurons.
`void` | `clear()` Clear out any hidden neurons.
`MLMethod` | `generate()` Generate the Elman neural network.
`void` | `setActivationFunction(ActivationFunction activation)` Set the activation function to use on each of the layers.
`void` | `setInputNeurons(int count)` Set the number of input neurons.
`void` | `setOutputNeurons(int count)` Set the number of output neurons.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail

### ElmanPattern

    public ElmanPattern()

  Create an object to generate Elman neural networks.

Method Detail

### addHiddenLayer

    public void addHiddenLayer(int count)

  Add a hidden layer with the specified number of neurons.

  Specified by:
    `addHiddenLayer` in interface `NeuralNetworkPattern`
  Parameters:
    `count` - The number of neurons in this hidden layer.

### clear

    public void clear()

  Clear out any hidden neurons.

  Specified by:
    `clear` in interface `NeuralNetworkPattern`

### generate

    public MLMethod generate()

  Generate the Elman neural network.

  Specified by:
    `generate` in interface `NeuralNetworkPattern`
  Returns:
    The Elman neural network.

### setActivationFunction

    public void setActivationFunction(ActivationFunction activation)

  Set the activation function to use on each of the layers.

  Specified by:
    `setActivationFunction` in interface `NeuralNetworkPattern`
  Parameters:
    `activation` - The activation function.

### setInputNeurons

    public void setInputNeurons(int count)

  Set the number of input neurons.

  Specified by:
    `setInputNeurons` in interface `NeuralNetworkPattern`
  Parameters:
    `count` - Neuron count.

### setOutputNeurons

    public void setOutputNeurons(int count)

  Set the number of output neurons.

  Specified by:
    `setOutputNeurons` in interface `NeuralNetworkPattern`
  Parameters:
    `count` - Neuron count.

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