Block orderings for tensor-product grids in two and three dimensions

DOI10.1023/A:1016030016985zbMath1002.65041MaRDI QIDQ1610719

James M. Varah, Chen Greif, Gene H. Golub

Publication date: 20 August 2002

Published in: Numerical Algorithms (Search for Journal in Brave)

zbMATH Keywords

convergenceconvection-diffusion equationnumerical examplespreconditioningorderingssparse linear systemsblock Jacobi scheme

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Boundary value problems for second-order elliptic equations (35J25) Iterative numerical methods for linear systems (65F10) Finite difference methods for boundary value problems involving PDEs (65N06) Orthogonalization in numerical linear algebra (65F25)

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A box-shaped cyclically reduced operator ⋮ Convergence of the compact finite difference method for second-order elliptic equations ⋮ Optimal parameters in the HSS-like methods for saddle-point problems ⋮ Convergence properties of preconditioned Hermitian and skew-Hermitian splitting methods for non-Hermitian positive semidefinite matrices

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