HIFIR: Hybrid Incomplete Factorization with Iterative Refinement for Preconditioning Ill-Conditioned and Singular Systems

DOI10.1145/3536165OpenAlexW3176010776WikidataQ113309827 ScholiaQ113309827MaRDI QIDQ5882948

Qiao Chen, Xiangmin Jiao

Publication date: 29 March 2023

Published in: ACM Transactions on Mathematical Software (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/2106.09877

zbMATH Keywords

preconditioningsingular systemsiterative refinementrank-revealing factorizationapproximate generalized inversehybrid incomplete factorizationmultilevel ILU factorization

Mathematics Subject Classification ID

Numerical analysis (65-XX)

Related Items (1)

HIFIR

Uses Software

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• PETSc
• MUMPS
• Trilinos
• FEniCS
• SparseMatrix
• Eigen
• WSMP
• ILUPACK
• LSMR
• Cython
• Python
• Find
• HILUCSI

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