资源论文Expressive Power and Approximation Errors of Restricted Boltzmann Machines

Expressive Power and Approximation Errors of Restricted Boltzmann Machines

2020-01-08 | |  58 |   46 |   0

Abstract

We present explicit classes of probability distributions that can be learned by Restricted Boltzmann Machines (RBMs) depending on the number of units that they contain, and which are representative for the expressive power of the model. We use this to show that the maximal Kullback-Leibler divergence to the RBM model with n visible and m hidden units is bounded from above 图片.png图片.png In this way we can specify the number of hidden units that guarantees a sufficiently rich model containing different classes of distributions and respecting a given error tolerance.

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