Feb. 13, 2024, 5:43 a.m. | Jun Hu Pengzhan Jin

cs.LG updates on arXiv.org arxiv.org

We propose a hybrid iterative method based on MIONet for PDEs, which combines the traditional numerical iterative solver and the recent powerful machine learning method of neural operator, and further systematically analyze its theoretical properties, including the convergence condition, the spectral behavior, as well as the convergence rate, in terms of the errors of the discretization and the model inference. We show the theoretical results for the frequently-used smoothers, i.e. Richardson (damped Jacobi) and Gauss-Seidel. We give an upper bound …

analyze behavior convergence cs.lg cs.na examples hybrid iterative machine machine learning math.na numerical solver theory

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