通过储库计算预测非平稳的混乱动态
Lufa Shi1, Hengtong Wang1, Shengjun Wang1
1School of Physics and Information Technology, Shaanxi Normal University, Xi'an 710119, China.
Physical review. E
|February 17, 2024
概括
储计算 (RC) 现在可以使用新的断片式激活函数来预测不平滑的动态. 这种基于物理学的方法可以对复杂系统进行准确的短期和长期预测.
科学领域:
- 动态系统和混沌理论
- 计算科学与工程 计算科学与工程
背景情况:
- 储计算 (RC) 对于预测混乱动态是有效的.
- 在许多领域中至关重要的非平滑动力学仍然在很大程度上未被RC探索.
研究的目的:
- 将储水库计算概括为有效建模非平滑动态系统.
- 引入了一种针对非平滑动态量身定制的新型激活功能.
主要方法:
- 开发了一个基于物理知识的RC方案,利用一个零碎的不平滑激活函数.
- 在四个不同的不光滑系统上测试了该方案:帐地图,带间隙的断片线性地图,复合圆形地图和洛齐地图.
主要成果:
- 传统的RC具有过度触角激活与不平滑的系统作斗争,特别是长期预测.
- 拟议的具有非平滑激活功能的RC方案准确地预测了短期和长期动态.
- 吸引器重建的预测精度与系统复杂性相关.
结论:
- 激活函数的性质 (光滑与非光滑) 必须与动态系统保持一致,以实现高效的RC预测.
- 这项工作将RC能力扩展到更广泛的重要动态系统类别.
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