On coarse grid correction methods in Krylov subspaces

DOI10.1007/s10958-018-3907-9zbMath1406.65019OpenAlexW2809862102MaRDI QIDQ1662016

V. P. Il'in, Ya. L. Gur'eva

Publication date: 17 August 2018

Published in: Journal of Mathematical Sciences (New York) (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s10958-018-3907-9

zbMATH Keywords

finite volume methodconvection-diffusion equationdomain decompositionleast squaressingular value decomposition methodKrylov subspace methodcoarse grid correctiontwo-level preconditioningbasis function of the zeroth, first, and second orderslarge systems of linear algebraic equationsminimization of the residual

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Multigrid methods; domain decomposition for boundary value problems involving PDEs (65N55) Numerical solutions to overdetermined systems, pseudoinverses (65F20) Iterative numerical methods for linear systems (65F10) Numerical computation of matrix norms, conditioning, scaling (65F35) Parallel numerical computation (65Y05) Preconditioners for iterative methods (65F08) Finite volume methods for boundary value problems involving PDEs (65N08)

Related Items (2)

Conjugate direction methods for multiple solution of SLAEs ⋮ Iterative preconditioned methods in Krylov spaces: trends of the 21st century

Cites Work

• A Deflated Version of the Conjugate Gradient Algorithm
• Unnamed Item

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