Introduction to the theory of neural computation
Introduction to the theory of neural computation
Collective phenomena in neural networks
Models of neural networks
Local minima of a quadratic binary functional with a quasi-Hebbian connection matrix
ICANN'10 Proceedings of the 20th international conference on Artificial neural networks: Part III
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The standard Hopfield model is generalized to the case when input patterns are provided with weights that are proportional to the frequencies of patterns occurrence at the learning process. The main equation is derived by methods of statistical physics, and is solved for an arbitrary distribution of weights. An infinitely large number of input patterns can be written down in connection matrix however the memory of the network will consist of patterns whose weights exceed a critical value. The approach eliminates the catastrophic destruction of the memory characteristic to the standard Hopfield model.