Towards data-driven discovery of governing equations in geosciences
Governing equations are foundations for modelling, predicting, and understanding the Earth
system. The Earth system is undergoing rapid change, and the conventional approaches for …
system. The Earth system is undergoing rapid change, and the conventional approaches for …
Compressive-sensing model reconstruction of nonlinear systems with multiple attractors
X Sun, J Qian, J Xu - International Journal of Mechanical Sciences, 2024 - Elsevier
In this study, facing the challenges on model reconstruction for multi-attractor nonlinear
systems, the data generation and sparse regression processes in sparse identification …
systems, the data generation and sparse regression processes in sparse identification …
Coarse-graining Hamiltonian systems using WSINDy
Weak form equation learning and surrogate modeling has proven to be computationally
efficient and robust to measurement noise in a wide range of applications including ODE …
efficient and robust to measurement noise in a wide range of applications including ODE …
[HTML][HTML] Weak-form latent space dynamics identification
Recent work in data-driven modeling has demonstrated that a weak formulation of model
equations enhances the noise robustness of a wide range of computational methods. In this …
equations enhances the noise robustness of a wide range of computational methods. In this …
[HTML][HTML] Data-driven modeling and forecasting of chaotic dynamics on inertial manifolds constructed as spectral submanifolds
We present a data-driven and interpretable approach for reducing the dimensionality of
chaotic systems using spectral submanifolds (SSMs). Emanating from fixed points or …
chaotic systems using spectral submanifolds (SSMs). Emanating from fixed points or …
Model scale versus domain knowledge in statistical forecasting of chaotic systems
W Gilpin - Physical Review Research, 2023 - APS
Chaos and unpredictability are traditionally synonymous, yet large-scale machine-learning
methods recently have demonstrated a surprising ability to forecast chaotic systems well …
methods recently have demonstrated a surprising ability to forecast chaotic systems well …
Multi-objective SINDy for parameterized model discovery from single transient trajectory data
J Lemus, B Herrmann - Nonlinear Dynamics, 2024 - Springer
The sparse identification of nonlinear dynamics (SINDy) has been established as an
effective technique to produce interpretable models of dynamical systems from time …
effective technique to produce interpretable models of dynamical systems from time …
Detach-rocket: sequential feature selection for time series classification with random convolutional kernels
Abstract Time Series Classification (TSC) is essential in fields like medicine, environmental
science, and finance, enabling tasks such as disease diagnosis, anomaly detection, and …
science, and finance, enabling tasks such as disease diagnosis, anomaly detection, and …
ADAM-SINDy: An Efficient Optimization Framework for Parameterized Nonlinear Dynamical System Identification
Identifying dynamical systems characterized by nonlinear parameters presents significant
challenges in deriving mathematical models that enhance understanding of physics …
challenges in deriving mathematical models that enhance understanding of physics …
Physics-informed machine learning for surrogate modeling of heat transfer phenomena
T Suzuki, K Hirohata, Y Ito… - Journal of …, 2023 - asmedigitalcollection.asme.org
In this paper, we propose a sparse modeling method for automatically creating a surrogate
model for nonlinear time-variant systems from a very small number of time series data with …
model for nonlinear time-variant systems from a very small number of time series data with …