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Chaos An Interdisciplinary Journal of Nonlinear Science
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Multifunctionality in a reservoir computer

Authors: Andrew Flynn; Vassilios A. Tsachouridis; Andreas Amann;

Multifunctionality in a reservoir computer

Abstract

Multifunctionality is a well observed phenomenological feature of biological neural networks and considered to be of fundamental importance to the survival of certain species over time. These multifunctional neural networks are capable of performing more than one task without changing any network connections. In this paper, we investigate how this neurological idiosyncrasy can be achieved in an artificial setting with a modern machine learning paradigm known as “reservoir computing.” A training technique is designed to enable a reservoir computer to perform tasks of a multifunctional nature. We explore the critical effects that changes in certain parameters can have on the reservoir computers’ ability to express multifunctionality. We also expose the existence of several “untrained attractors”; attractors that dwell within the prediction state space of the reservoir computer were not part of the training. We conduct a bifurcation analysis of these untrained attractors and discuss the implications of our results.

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Ireland
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Keywords

FOS: Computer and information sciences, Computer Science - Machine Learning, Computers, Learning and adaptive systems in artificial intelligence, Computer Science - Neural and Evolutionary Computing, Dynamical Systems (math.DS), Neural networks for/in biological studies, artificial life and related topics, Machine Learning (cs.LG), Machine Learning, Neural biology, FOS: Mathematics, Neural Networks, Computer, Neural and Evolutionary Computing (cs.NE), Mathematics - Dynamical Systems, Computational methods for problems pertaining to biology

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    popularity
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    influence
    This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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    impulse
    This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
41
Top 10%
Top 10%
Top 10%
Green
hybrid