C# Class AForge.Neuro.Learning.BackPropagationLearning

Back propagation learning algorithm

The class implements back propagation learning algorithm, which is widely used for training multi-layer neural networks with continuous activation functions.

Inheritance: ISupervisedLearning

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Public Methods

Method	Description
BackPropagationLearning ( ActivationNetwork network ) : System	Initializes a new instance of the BackPropagationLearning class.
Run ( double input, double output ) : double	Runs learning iteration. Runs one learning iteration and updates neuron's weights.
RunEpoch ( double input, double output ) : double	Runs learning epoch. The method runs one learning epoch, by calling Run method for each vector provided in the input array.

Private Methods

Method	Description
CalculateError ( double desiredOutput ) : double	Calculates error values for all neurons of the network.
CalculateUpdates ( double input ) : void	Calculate weights updates.
UpdateNetwork ( ) : void	Update network'sweights.

Method Details

BackPropagationLearning() public method

Initializes a new instance of the BackPropagationLearning class.

public BackPropagationLearning ( ActivationNetwork network ) : System
network	ActivationNetwork	Network to teach.
return	System

Run() public method

Runs learning iteration.

Runs one learning iteration and updates neuron's weights.

public Run ( double input, double output ) : double
input	double	Input vector.
output	double	Desired output vector.
return	double

RunEpoch() public method

Runs learning epoch.

The method runs one learning epoch, by calling Run method for each vector provided in the input array.

public RunEpoch ( double input, double output ) : double
input	double	Array of input vectors.
output	double	Array of output vectors.
return	double