Towards data-driven discovery of governing equations in geosciences

W Song, S Jiang, G Camps-Valls, M Williams… - … Earth & Environment, 2024 - nature.com
Governing equations are foundations for modelling, predicting, and understanding the Earth
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 …

Coarse-graining Hamiltonian systems using WSINDy

DA Messenger, JW Burby, DM Bortz - Scientific Reports, 2024 - nature.com
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 …

[HTML][HTML] Weak-form latent space dynamics identification

A Tran, X He, DA Messenger, Y Choi… - Computer Methods in …, 2024 - Elsevier
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 …

[HTML][HTML] Data-driven modeling and forecasting of chaotic dynamics on inertial manifolds constructed as spectral submanifolds

A Liu, J Axås, G Haller - Chaos: An Interdisciplinary Journal of …, 2024 - pubs.aip.org
We present a data-driven and interpretable approach for reducing the dimensionality of
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 …

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 …

Detach-rocket: sequential feature selection for time series classification with random convolutional kernels

G Uribarri, F Barone, A Ansuini, E Fransén - Data Mining and Knowledge …, 2024 - Springer
Abstract Time Series Classification (TSC) is essential in fields like medicine, environmental
science, and finance, enabling tasks such as disease diagnosis, anomaly detection, and …

ADAM-SINDy: An Efficient Optimization Framework for Parameterized Nonlinear Dynamical System Identification

S Viknesh, Y Tatari, A Arzani - arxiv preprint arxiv:2410.16528, 2024 - arxiv.org
Identifying dynamical systems characterized by nonlinear parameters presents significant
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 …