A Fast Direct Method for the Least Squares Solution of Slightly Overdetermined Sets of Linear Equations

DOI10.1093/imamat/24.2.149zbMath0437.65032OpenAlexW1988771669MaRDI QIDQ3878649

L. M. Delves, Ian Barrodale

Publication date: 1979

Published in: IMA Journal of Applied Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1093/imamat/24.2.149

zbMATH Keywords

comparisonleast squaresnormal equationsfast direct methodoverdetermined sets of linear equationsHouseholder reductionmodified Gram-Schmidt method

Mathematics Subject Classification ID

Numerical smoothing, curve fitting (65D10) Numerical solutions to overdetermined systems, pseudoinverses (65F20) Numerical mathematical programming methods (65K05) Theory of matrix inversion and generalized inverses (15A09)

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A note on two block-SOR methods for sparse least squares problems

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