Multilevel Hierarchical Matrices

DOI10.1137/040607964zbMath1124.65030OpenAlexW1980600685MaRDI QIDQ5296020

Sabine Le Borne

Publication date: 31 July 2007

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

Full work available at URL: https://doi.org/10.1137/040607964

zbMATH Keywords

multilevelnumerical experimentsconvection-diffusion problempreconditionershierarchical matricesdata-sparse approximation\(\mathcal H\)-matricesfinite element stiffness matrixinverses of tridiagonal matrices

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Boundary value problems for second-order elliptic equations (35J25) Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs (65N30) Numerical computation of matrix norms, conditioning, scaling (65F35) Direct numerical methods for linear systems and matrix inversion (65F05)

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ℋ︁‐matrix preconditioners for symmetric saddle‐point systems from meshfree discretization

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