Two-level least squares methods in Krylov subspaces

DOI10.1007/s10958-018-3916-8zbMath1405.65045OpenAlexW2809990549WikidataQ129646910 ScholiaQ129646910MaRDI QIDQ1662026

V. P. Il'in

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/s10958-018-3916-8

zbMATH Keywords

convection-diffusion equationiterative methodsleast squaresKrylov subspacestwo-level methodChebyshev accelerationrestarted conjugate residual method

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Ill-posedness and regularization problems in numerical linear algebra (65F22) Best approximation, Chebyshev systems (41A50) Iterative numerical methods for linear systems (65F10)

Related Items (1)

Iterative preconditioned methods in Krylov spaces: trends of the 21st century

Cites Work

• Yet another polynomial preconditioner for the conjugate gradient algorithm

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