Convergence of a generalized PMHSS method for a class of singular block two-by-two linear systems

DOI10.1007/s40314-020-01365-7zbMath1476.65034OpenAlexW3097719527MaRDI QIDQ1983819

Publication date: 10 September 2021

Published in: Computational and Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1007/s40314-020-01365-7

zbMATH Keywords

preconditioner convergence property minimum norm least squares solution GPMHSS iteration method singular block two-by-two linear system

Mathematics Subject Classification ID

Numerical solutions to overdetermined systems, pseudoinverses (65F20) Iterative numerical methods for linear systems (65F10) Preconditioners for iterative methods (65F08)

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