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Título: | Model-free inference of unseen attractors: Reconstructing phase space features from a single noisy trajectory using reservoir computing |
Autor: | Röhm, André CSIC ORCID; Gauthier, Daniel J.; Fischer, Ingo CSIC ORCID | Fecha de publicación: | 26-oct-2021 | Editor: | American Institute of Physics | Citación: | Chaos 31: 103127 (2021) | Resumen: | Reservoir computers are powerful tools for chaotic time series prediction. They can be trained to approximate phase space flows and can thus both predict future values to a high accuracy and reconstruct the general properties of a chaotic attractor without requiring a model. In this work, we show that the ability to learn the dynamics of a complex system can be extended to systems with multiple co-existing attractors, here a four-dimensional extension of the well-known Lorenz chaotic system. We demonstrate that a reservoir computer can infer entirely unexplored parts of the phase space; a properly trained reservoir computer can predict the existence of attractors that were never approached during training and, therefore, are labeled as unseen. We provide examples where attractor inference is achieved after training solely on a single noisy trajectory. | Versión del editor: | http://dx.doi.org/10.1063/5.0065813 | URI: | http://hdl.handle.net/10261/266841 | DOI: | 10.1063/5.0065813 | Identificadores: | doi: 10.1063/5.0065813 issn: 1054-1500 e-issn: 1089-7682 |
Aparece en las colecciones: | (IFISC) Artículos |
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single_noisy_trajectory.pdf | 2,3 MB | Adobe PDF | Visualizar/Abrir |
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