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Multiplexed networks: reservoir computing with virtual and real nodes

Röhm, André; Lüdge, Kathy

The reservoir computing scheme is a machine learning mechanism which utilizes the naturally occurring computational capabilities of dynamical systems. One important subset of systems that has proven powerful both in experiments and theory are delay-systems. In this work, we investigate the reservoir computing performance of hybrid network-delay systems systematically by evaluating the NARMA10 and the Sante Fe task for varying system parameters. We construct ‘multiplexed networks’ that can be seen as intermediate steps on the scale from classical networks to the ‘virtual networks’ of delay systems. We find that the delay approach can be extended to the network case without loss of computational power, enabling the construction of faster reservoir computing systems.
Published in: Journal of Physics Communications, 10.1088/2399-6528/aad56d, IOP