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Leveraging viscous Hamilton-Jacobi PDEs for uncertainty quantification in scientific machine learning
April 16, 2024, 4:41 a.m. | Zongren Zou, Tingwei Meng, Paula Chen, J\'er\^ome Darbon, George Em Karniadakis
cs.LG updates on arXiv.org arxiv.org
Abstract: Uncertainty quantification (UQ) in scientific machine learning (SciML) combines the powerful predictive power of SciML with methods for quantifying the reliability of the learned models. However, two major challenges remain: limited interpretability and expensive training procedures. We provide a new interpretation for UQ problems by establishing a new theoretical connection between some Bayesian inference problems arising in SciML and viscous Hamilton-Jacobi partial differential equations (HJ PDEs). Namely, we show that the posterior mean and covariance …
abstract arxiv challenges cs.lg hamilton however interpretability interpretation machine machine learning major power predictive quantification reliability scientific stat.ml training type uncertainty
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