Solution of Sparse Underdetermined Systems of Linear Equations

DOI10.1137/0905068zbMath0555.65024OpenAlexW2002395185MaRDI QIDQ3219021

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Publication date: 1984

Published in: SIAM Journal on Scientific and Statistical Computing (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1137/0905068

zbMATH Keywords

comparisonminimum-norm solutionQR factorizationscolumn updatingLQ orthogonal factorizationsparse, underdetermined system

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Factorization of matrices (15A23) Numerical solutions to overdetermined systems, pseudoinverses (65F20)

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A dual variational principle for nonlinear dislocation dynamics ⋮ Solving Mixed Sparse-Dense Linear Least-Squares Problems by Preconditioned Iterative Methods ⋮ A survey of direct methods for sparse linear systems ⋮ An algorithm for computing fundamental solutions of difference operators

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