LQ-Schur projection on large sparse matrix equations

DOI<491::AID-NLA209>3.0.CO;2-F 10.1002/1099-1506(200010/12)7:7/8<491::AID-NLA209>3.0.CO;2-FzbMath1051.65027OpenAlexW2081676079MaRDI QIDQ4814495

Todd Kevin Goehring, Daniel L. Boley

Publication date: 7 September 2004

Full work available at URL: https://doi.org/10.1002/1099-1506(200010/12)7:7/8<491::aid-nla209>3.0.co;2-f

zbMATH Keywords

orderingSchur complementiterative methodconditioningorthogonal factorizationLQ factorizationnon-symmetric large sparse systems

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Orthogonalization in numerical linear algebra (65F25)

Uses Software

• SparseMatrix

Cites Work

• GMRES: A Generalized Minimal Residual Algorithm for Solving Nonsymmetric Linear Systems
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