tavik000 / self_organizing_map

This is a Self_Organizing_Map appilication with Matlab.

Self_Organizing_Map

Self_Organizing_Map

This is a Self_Organizing_Map appilication with Matlab.

What is Self_Organizing Map (SOM) ? Check this out https://en.wikipedia.org/wiki/Self-organizing_map

Design

I have designed 6 process for SOM. There are som( main process), initialization, competitive_process, cooperative_process, adaptive_process, mapping_process.

Som: main process for som, call each process function one by one in each iteration.

Initialization: For initializing input variable and parameters

Competitive_process: Obtain the winning neuron of each sample(input)

Cooperative_process: Calculate distance between winning neuron and each neuron and topological neighborhood function

Adaptive_process: Calculate change of weight and adjust weight

Mapping_process: Show the context map after all iteration. step 1, find the neuron of strongest responses sample. step 2, fill the unoccupied neuron

Parameters of my code

sig0 = 5; t1 = 1000/(log(sig0));
r0 = 0.1;
t2 = 1000;

Author: key

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Screenshots

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Contact

Email: [email protected]

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