Sequence Processing Neural Network withQ-States Monotonic Transfer Function
Author(s) -
Katsuki Katayama,
Tsuyoshi Horiguchi
Publication year - 2005
Publication title -
progress of theoretical physics supplement
Language(s) - English
Resource type - Journals
ISSN - 0375-9687
DOI - 10.1143/ptps.157.266
Subject(s) - monotonic function , function (biology) , binary number , sequence (biology) , representation (politics) , artificial neural network , transfer function , transfer (computing) , generating function , zero (linguistics) , algorithm , path (computing) , mathematics , computer science , discrete mathematics , artificial intelligence , arithmetic , mathematical analysis , chemistry , engineering , philosophy , law , linguistics , biology , biochemistry , evolutionary biology , parallel computing , political science , programming language , politics , electrical engineering
Storage capacity as for retrieval of sequences of binary patterns is investigated for a fully connected neural network with Q (> 2)-states. By using a generating-function method of path-integral representation, we find that the network with Q-states monotonic transfer function retrieves more sequences of the stored patterns than that with a binary monotonic transfer function at zero temperature, if the control parameter is chosen optimally. We compare the results obtained by the analytic method with those by numerical simulations.
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