Dimensionally consistent learning with Buckingham Pi

J Bakarji, J Callaham, SL Brunton… - Nature Computational …, 2022 - nature.com
In the absence of governing equations, dimensional analysis is a robust technique for
extracting insights and finding symmetries in physical systems. Given measurement …

Data-driven discovery of coordinates and governing equations

K Champion, B Lusch, JN Kutz… - Proceedings of the …, 2019 - National Acad Sciences
The discovery of governing equations from scientific data has the potential to transform data-
rich fields that lack well-characterized quantitative descriptions. Advances in sparse …

Data-driven discovery of dimensionless numbers and governing laws from scarce measurements

X Xie, A Samaei, J Guo, WK Liu, Z Gan - Nature communications, 2022 - nature.com
Dimensionless numbers and scaling laws provide elegant insights into the characteristic
properties of physical systems. Classical dimensional analysis and similitude theory fail to …

Discovery of nonlinear multiscale systems: Sampling strategies and embeddings

KP Champion, SL Brunton, JN Kutz - SIAM Journal on Applied Dynamical …, 2019 - SIAM
A major challenge in the study of dynamical systems is that of model discovery: turning data
into models that are not just predictive, but provide insight into the nature of the underlying …

Autoencoders for discovering manifold dimension and coordinates in data from complex dynamical systems

K Zeng, CEP De Jesús, AJ Fox… - … Learning: Science and …, 2024 - iopscience.iop.org
While many phenomena in physics and engineering are formally high-dimensional, their
long-time dynamics often live on a lower-dimensional manifold. The present work introduces …

PySINDy: A comprehensive Python package for robust sparse system identification

AA Kaptanoglu, BM de Silva, U Fasel… - arXiv preprint arXiv …, 2021 - arxiv.org
Automated data-driven modeling, the process of directly discovering the governing
equations of a system from data, is increasingly being used across the scientific community …

Pysindy: a python package for the sparse identification of nonlinear dynamics from data

BM de Silva, K Champion, M Quade… - arXiv preprint arXiv …, 2020 - arxiv.org
PySINDy is a Python package for the discovery of governing dynamical systems models
from data. In particular, PySINDy provides tools for applying the sparse identification of …

Physics-aware registration based auto-encoder for convection dominated PDEs

R Mojgani, M Balajewicz - arXiv preprint arXiv:2006.15655, 2020 - arxiv.org
We design a physics-aware auto-encoder to specifically reduce the dimensionality of
solutions arising from convection-dominated nonlinear physical systems. Although existing …

Automatically discovering ordinary differential equations from data with sparse regression

K Egan, W Li, R Carvalho - Communications Physics, 2024 - nature.com
Discovering nonlinear differential equations that describe system dynamics from empirical
data is a fundamental challenge in contemporary science. While current methods can …

SINDy-BVP: Sparse identification of nonlinear dynamics for boundary value problems

DE Shea, SL Brunton, JN Kutz - Physical Review Research, 2021 - APS
We develop a data-driven model discovery and system identification technique for spatially-
dependent boundary value problems (BVPs). Specifically, we leverage the sparse …