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Article Dans Une Revue Communications in Nonlinear Science and Numerical Simulation Année : 2024

Automatic Proper Orthogonal Block Decomposition method for network dynamical systems with multiple timescales

Résumé

In this work, we introduce a novel reduced order model technique, based on the Proper Orthogonal Decomposition method, for dynamical systems with multiple timescales. The main ideas are to retain the structure of the original model, which is lost in the original POD procedure, while producing a competitive reduction in the number of equations and computational time, and to determine the best structure for the reduced system automatically, via a data-driven analysis of the original model data. For these novel techniques, we present some numerical tests for various behaviors of three different neural network models with multiple timescales, which support the use of these new methods.
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Dates et versions

hal-04462540 , version 1 (16-02-2024)

Identifiants

Citer

A. Bandera, S. Fernández-García, M. Gómez-Mármol, Alexandre Vidal. Automatic Proper Orthogonal Block Decomposition method for network dynamical systems with multiple timescales. Communications in Nonlinear Science and Numerical Simulation, 2024, 131, pp.107844. ⟨10.1016/j.cnsns.2024.107844⟩. ⟨hal-04462540⟩
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