Original Contribution: Approximation of dynamical systems by continuous time recurrent neural networks

  • Authors:
  • Ken-ichi Funahashi;Yuichi Nakamura

  • Affiliations:
  • -;-

  • Venue:
  • Neural Networks
  • Year:
  • 1993

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Abstract

In this paper, we prove that any finite time trajectory of a given n-dimensional dynamical system can be approximately realized by the internal state of the output units of a continuous time recurrent neural network with n output units, some hidden units, and an appropriate initial condition. The essential idea of the proof is to embed the n-dimensional dynamical system into a higher dimensional one which defines a recurrent neural network. As a corollary, we also show that any continuous curve can be approximated by the output of a recurrent neural network.