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Kohonen Self Organizing Feature Maps (SOFM) for Simulink.

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Kohonen Self Organizing Feature Maps (SOFM) for Simulink.



25 Apr 2012 (Updated )

A implementation of the Kohonen Self Organizing Feature Maps (SOFM) algorithm for Simulink.

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This model contains a implementation of the SOFM algorithm using Simulink's basic blocks. The SOFM algorithm is associated with a single block with various configuration parameters:

Number of the neuron inputs
Grid size (rows and columns)
Initial value of standard deviation (sigma0) - Topological neighborhood function
Time constant (t1) - Topological neighborhood function decrease
Initial value of the learning-rate parameter (mu0)
Time constant (t2) - Learning-rate parameter decrease

The attached file contains an example of a network with two dimensional lattice driven by a two dimensional distribution with 100 neurons arranged in a 2D lattice of 10 x 10 nodes.

Marcelo Augusto Costa Fernandes

Required Products Simulink
MATLAB release MATLAB 7 (R14)
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26 Apr 2012 1.1

Insert more information of the model in description field.

22 May 2012 1.2

weights2DView.m (s-function) file was inserted.

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