Search Results for author: Joseph Hart

Found 2 papers, 1 papers with code

Solving High-Dimensional Inverse Problems with Auxiliary Uncertainty via Operator Learning with Limited Data

no code implementations20 Mar 2023 Joseph Hart, Mamikon Gulian, Indu Manickam, Laura Swiler

In complex large-scale systems such as climate, important effects are caused by a combination of confounding processes that are not fully observable.

Operator learning Uncertainty Quantification

Train Like a (Var)Pro: Efficient Training of Neural Networks with Variable Projection

1 code implementation26 Jul 2020 Elizabeth Newman, Lars Ruthotto, Joseph Hart, Bart van Bloemen Waanders

To solve the optimization problem more efficiently, we propose the use of variable projection (VarPro), a method originally designed for separable nonlinear least-squares problems.

Image Classification speech-recognition +1

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