Search Results for author: Apostolos F Psaros

Found 3 papers, 2 papers with code

NeuralUQ: A comprehensive library for uncertainty quantification in neural differential equations and operators

1 code implementation25 Aug 2022 Zongren Zou, Xuhui Meng, Apostolos F Psaros, George Em Karniadakis

In this paper, we present an open-source Python library (https://github. com/Crunch-UQ4MI), termed NeuralUQ and accompanied by an educational tutorial, for employing UQ methods for SciML in a convenient and structured manner.

Uncertainty Quantification

Uncertainty Quantification in Scientific Machine Learning: Methods, Metrics, and Comparisons

1 code implementation19 Jan 2022 Apostolos F Psaros, Xuhui Meng, Zongren Zou, Ling Guo, George Em Karniadakis

Neural networks (NNs) are currently changing the computational paradigm on how to combine data with mathematical laws in physics and engineering in a profound way, tackling challenging inverse and ill-posed problems not solvable with traditional methods.

BIG-bench Machine Learning Uncertainty Quantification

Meta-learning PINN loss functions

no code implementations12 Jul 2021 Apostolos F Psaros, Kenji Kawaguchi, George Em Karniadakis

In the computational examples, the meta-learned losses are employed at test time for addressing regression and PDE task distributions.

Meta-Learning

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