Found 19 Documents (Results 1–19)
Bounds for the decay of the entries in inverses and Cauchy-Stieltjes functions of certain sparse, normal matrices. (English) Zbl 1513.15061
A modified quasi-Newton diagonal update algorithm for total variation denoising problems and nonlinear monotone equations with applications in compressive sensing. (English) Zbl 1363.65096
A preconditioned MinRes solver for time-periodic parabolic optimal control problems. (English) Zbl 1313.49035
Reviewer: Walter Zulehner (Linz)
Finding off-diagonal entries of the inverse of a large symmetric sparse matrix. (English) Zbl 1289.65042
Localization of generalized eigenvalues by Cartesian ovals. (English) Zbl 1274.65107
Reviewer: Rafael Bru (Valencia)
A probing method for computing the diagonal of a matrix inverse. (English) Zbl 1274.65132
Reviewer: Pavel Jiránek (Toulous)
Fast solvers with block-diagonal preconditioners for linear FEM-BEM coupling. (English) Zbl 1224.65265
Reviewer: Dalibor Lukáš (Ostrava)
Schur complement of general \(H\)-matrices. (English) Zbl 1224.15021
MSC:
15A21
Refining Gerschgorin disks through new criteria for nonsingularity. (English) Zbl 1195.15022
MSC:
15A42
Splitting iterations for circulant-plus-diagonal systems. (English) Zbl 1164.65348
Reviewer: Jan Chleboun (Praha)
Bounds for the eigenvalues of block \(2\times 2\) Hermitian positive-definite matrices. (English) Zbl 1164.15328
Almost block diagonal linear systems: sequential and parallel solution techniques, and applications. (English) Zbl 1051.65018
Reviewer: Jan Chleboun (Praha)
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