期刊
CHAOS SOLITONS & FRACTALS
卷 172, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2023.113589
关键词
Multi-scale transition matrix; Nonlinear time series; Complex network
In traditional statistics-based time series analysis, rich patterns in nonlinear dynamical processes are merged into averages. This study uses the multi-scale transition matrix to display patterns and their evolutions in several typical chaotic systems, such as the Logistic Map, the Tent Map, and the Lorentz System. Compared with Markovian processes, there are rich non-trivial patterns. The unpredictability of transitions matches closely with the Lyapunov exponent. The eigenvalues decay exponentially with respect to the time scale, providing detailed information on the curves of Lyapunov exponent versus dynamical parameters. The evolutionary behaviors differ and do not saturate to those of the corresponding shuffled series.
There exist rich patterns in nonlinear dynamical processes, but they merge into averages in traditional statistics -based time series analysis. Herein the multi-scale transition matrix is adopted to display the patterns and their evolutions in several typical chaotic systems, including the Logistic Map, the Tent Map, and the Lorentz System. Compared with Markovian processes, there appear rich non-trivial patterns. The unpredictability of transitions matches almost exactly with the Lyapunov exponent. The eigenvalues decay exponentially with respect to the time scale, whose decaying exponents give us the details in the curves of Lyapunov exponent versus dynamical parameters. The evolutionary behaviors differ with each other and do not saturate to the ones for the corresponding shuffled series.
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