The Antitriangular Factorization of Saddle Point Matrices

DOI10.1137/130934933zbMath1385.65027OpenAlexW2082324042MaRDI QIDQ2923347

Jennifer Pestana, Andrew J. Wathen

Publication date: 15 October 2014

Published in: SIAM Journal on Matrix Analysis and Applications (Search for Journal in Brave)

Full work available at URL: https://strathprints.strath.ac.uk/55662/

zbMATH Keywords

convergenceeigenvalueseigenvectorsiterative methodsaddle point systemblock triangular preconditioner

Mathematics Subject Classification ID

Factorization of matrices (15A23) Iterative numerical methods for linear systems (65F10) Preconditioners for iterative methods (65F08)

Related Items (9)

Sparse block factorization of saddle point matrices ⋮ Spectral Analysis of Saddle-point Matrices from Optimization problems with Elliptic PDE Constraints ⋮ Numerical issues in computing the antitriangular factorization of symmetric indefinite matrices ⋮ The antitriangular factorization of skew-symmetric matrices ⋮ Domain decomposition methods in scattered data interpolation with conditionally positive definite radial basis functions ⋮ Domain-decomposition least-squares Petrov-Galerkin (DD-LSPG) nonlinear model reduction ⋮ Threshold incomplete factorization constraint preconditioners for saddle-point matrices ⋮ A block algorithm for computing antitriangular factorizations of symmetric matrices ⋮ Iterative Solution of Saddle-Point Systems from Radial Basis Function (RBF) Interpolation

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