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- W4301163669 abstract "We propose a new approximate factorization for solving linear systems with symmetric positive definite sparse matrices. In a nutshell the algorithm is to apply hierarchically block Gaussian elimination and additionally compress the fill-in. The systems that have efficient compression of the fill-in mostly arise from discretization of partial differential equations. We show that the resulting factorization can be used as an efficient preconditioner and compare the proposed approach with state-of-art direct and iterative solvers." @default.
- W4301163669 created "2022-10-04" @default.
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- W4301163669 date "2016-03-30" @default.
- W4301163669 modified "2023-10-18" @default.
- W4301163669 title "Compress and eliminate solver for symmetric positive definite sparse matrices" @default.
- W4301163669 doi "https://doi.org/10.48550/arxiv.1603.09133" @default.
- W4301163669 hasPublicationYear "2016" @default.
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