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Published on: August 28, 2019
Multi-scaling reservoir computing learns noise-induced transitions with Lévy noise
Zequn Lin1,2, Jürgen Kurths3,4,5, Ying Tang6,7
1Department of Physics, Fudan University, Shanghai 200433, China.
This study demonstrates that multi-scaling reservoir computing effectively models noise-induced transitions in complex stochastic systems. The framework accurately predicts transition statistics, even with non-Gaussian noise.
Area of Science:
- Stochastic Dynamical Systems
- Complex Systems Theory
- Machine Learning Applications
Background:
- Noise-induced transitions are fundamental in stochastic systems, but become complex with non-Gaussian noise or intricate dynamics.
- Understanding these transitions is crucial across physics, biology, and engineering.
Purpose of the Study:
- To apply the multi-scaling reservoir computing framework to learn and model noise-induced transitions.
- To investigate the framework's efficacy on systems with non-Gaussian noise (Lévy) and complex dynamics (limit-cycle).
Main Methods:
- Utilized a multi-scaling reservoir computing framework.
- Trained the model on trajectories exhibiting noise-induced transitions.
- Focused on a bistable system with Lévy noise and a limit-cycle system with Gaussian noise.
Main Results:
- The multi-scaling reservoir computing framework successfully generated data capturing transition statistics.
- Predictions for transition intervals and probability distributions closely matched test data.
- The model demonstrated probabilistic capture of abrupt noisy shifts and oscillatory dynamics.
Conclusions:
- Multi-scaling reservoir computing is a potent tool for analyzing general stochastic systems.
- The framework shows promise for studying complex phenomena like noise-induced transitions.
- This approach offers a new avenue for understanding stochastic dynamics in various scientific fields.
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