广义极值分布参数作为稳定性的动力学指标
Generalized Extreme Value distribution parameters as dynamical indicators of Stability
AI总结:
本文提出利用广义极值分布参数构建稳定性动力学指标,仅需原系统演化即可快速刻画局部稳定性,并在混沌区反映吸引子信息维数,且通过 Standard map 数值验证。
摘要:
我们引入了一种基于极值统计的新型稳定性动力学指标,证明它能够深入揭示动力系统的局部稳定性性质。该指标比基于切映射迭代的其他指标运行更快,因为它只需要原系统的演化,并且在混沌区域能够提供关于吸引子信息维数的进一步信息。通过对 Standard map(标准映射)中运动的分析,本文给出了该方法的数值验证。
英文摘要:
We introduce a new dynamical indicator of stability based on the Extreme Value statistics showing that it provides an insight on the local stability properties of dynamical systems. The indicator perform faster than other based on the iteration of the tangent map since it requires only the evolution of the original systems and, in the chaotic regions, gives further information about the information dimension of the attractor. A numerical validation of the method is presented through the analysis of the motions in a Standard map.
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