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Automating the Discovery of Partial Differential Equations in Dynamical Systems
April 26, 2024, 4:41 a.m. | Weizhen Li, Rui Carvalho
cs.LG updates on arXiv.org arxiv.org
Abstract: Identifying partial differential equations (PDEs) from data is crucial for understanding the governing mechanisms of natural phenomena, yet it remains a challenging task. We present an extension to the ARGOS framework, ARGOS-RAL, which leverages sparse regression with the recurrent adaptive lasso to identify PDEs from limited prior knowledge automatically. Our method automates calculating partial derivatives, constructing a candidate library, and estimating a sparse model. We rigorously evaluate the performance of ARGOS-RAL in identifying canonical PDEs …
abstract arxiv cs.lg data differential discovery extension framework identify lasso math.ds natural regression stat.ap stat.ml systems type understanding
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