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Showing 2023 · math.NAShow all
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math.NA2023★ 1 cited
Refined and refined harmonic Jacobi--Davidson methods for computing several GSVD components of a large regular matrix pair
Jinzhi Huang, Zhongxiao Jia
Three refined and refined harmonic extraction-based Jacobi--Davidson (JD) type methods are proposed, and their thick-restart algorithms with deflation and purgation are developed t…
math.NA2023★ 22 cited
Solving multiscale elliptic problems by sparse radial basis function neural networks
Zhiwen Wang, Minxin Chen, Jingrun Chen
Machine learning has been successfully applied to various fields of scientific computing in recent years. In this work, we propose a sparse radial basis function neural network met…