On preconditioning Schur complement and Schur complement preconditioning

zbMath0951.65042MaRDI QIDQ1572606

Jun Zhang

Publication date: 24 July 2000

Published in: ETNA. Electronic Transactions on Numerical Analysis (Search for Journal in Brave)

Full work available at URL: https://eudml.org/doc/120679

zbMATH Keywords

algorithmconvergenceSchur complementnumerical experimentspreconditioningconvection-diffusion problemsparse matricesfinite difference discretizationmultilevel incomplete LU factorization

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Boundary value problems for second-order elliptic equations (35J25) Stability and convergence of numerical methods for boundary value problems involving PDEs (65N12) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Finite difference methods for boundary value problems involving PDEs (65N06)

Related Items (3)

Parallel Schur Complement Techniques Based on Multiprojection Methods ⋮ Approximate Schur-block ILU preconditioners for regularized solution of discrete ill-posed problems ⋮ Hierarchical Schur complement preconditioner for the stochastic Galerkin finite element methods

Uses Software

• BILUM
• SparseMatrix

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