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Restricted Boltzmann Machine

version 3.1.0 (119 KB) by BERGHOUT Tarek
contrastive divergence for training an RBM is presented in details.


Updated 18 Jun 2020

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Restricted Boltzmann machines (RBMs) are the first neural networks used for unsupervised learning, created by Geoff Hinton (university of Toronto).
The aim of RBMs is to find patterns in data by reconstructing the inputs using only two layers (the visible layer and the hidden layer). By moving forward an RBM translates the visible layer into a set of numbers that encodes the inputs, in backward pass it takes those set of numbers and translates them to the visible layer to regenerate the inputs.
In this code we introduce to you very simple algorithms that depend on contrastive divergence training. The details of this method are explained step by step in the comments inside the code.

To learn about RBM you can start from these referances:

[1] G. Hinton and G. Hinton, “A Practical Guide to Training Restricted Boltzmann Machines A Practical Guide to Training Restricted Boltzmann Machines,” 2010.
how To use the codes:

Cite As

BERGHOUT Tarek (2021). Restricted Boltzmann Machine (, MATLAB Central File Exchange. Retrieved .

MATLAB Release Compatibility
Created with R2013b
Compatible with any release
Platform Compatibility
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