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Hutchinson Trace Estimation for High-Dimensional and High-Order Physics-Informed Neural Networks
March 5, 2024, 2:44 p.m. | Zheyuan Hu, Zekun Shi, George Em Karniadakis, Kenji Kawaguchi
cs.LG updates on arXiv.org arxiv.org
Abstract: Physics-Informed Neural Networks (PINNs) have proven effective in solving partial differential equations (PDEs), especially when some data are available by seamlessly blending data and physics. However, extending PINNs to high-dimensional and even high-order PDEs encounters significant challenges due to the computational cost associated with automatic differentiation in the residual loss. Herein, we address the limitations of PINNs in handling high-dimensional and high-order PDEs by introducing Hutchinson Trace Estimation (HTE). Starting with the second-order high-dimensional PDEs …
abstract arxiv challenges computational cost cs.ai cs.lg cs.na data differential math.ds math.na networks neural networks physics physics-informed stat.ml type
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