Copertina

A parameterized block-splitting preconditioner for indefinite least squares problem

Fuente: arXiv

Salvato in:

Dettagli Bibliografici
Autore principale:	Salkuyeh, Davod Khojasteh
Natura:	Preprint
Pubblicazione:	2025
Soggetti:	Numerical Analysis 65F10
Accesso online:	Acceder al recurso
Tags:	Aggiungi Tag Nessun Tag, puoi essere il primo ad aggiungerne!!

Documenti analoghi

Inexact versions of several block-splitting preconditioners for indefinite least squares problems
di: Shaldehi, Mohaddese Kaveh, et al.
Pubblicazione: (2026)

Positive semidefinite/positive semidefinite splitting iteration methods for solving nonsingular non-Hermitian positive semidefinite systems
di: Salkuyeh, Davod Khojasteh, et al.
Pubblicazione: (2025)

A robust parameterized enhanced shift-splitting preconditioner for three-by-three block saddle point problems
di: Ahmad, Sk. Safique, et al.
Pubblicazione: (2024)

A modified version of the PRESB preconditioner for a class of non-Hermitian complex systems of linear equations
di: Axelsson, Owe, et al.
Pubblicazione: (2024)

The double splitting iteration method for solving the large indefinite least squares problem
di: Li, Jun, et al.
Pubblicazione: (2026)

Mixed precision iterative refinement for least squares with linear equality constraints and generalized least squares problems
di: Gao, Bowen, et al.
Pubblicazione: (2024)

Schwarz preconditioner with $H_k$-GenEO coarse space for the indefinite Helmholtz problem
di: Dolean, Victorita, et al.
Pubblicazione: (2024)

A note on indefinite matrix splitting and preconditioning
di: Wathen, Andy
Pubblicazione: (2024)

NR-SSOR right preconditioned RRGMRES for arbitrary singular systems and least squares problems
di: Sugihara, Kouta, et al.
Pubblicazione: (2025)

Chebyshev smoothing with adaptive block-FSAI preconditioners for the multilevel solution of higher-order problems
di: Recio, Pablo Jiménez, et al.
Pubblicazione: (2025)

Krylov iterative methods for linear least squares problems with linear equality constraints
di: Li, Haibo
Pubblicazione: (2025)

Fast and forward stable randomized algorithms for linear least-squares problems
di: Epperly, Ethan N.
Pubblicazione: (2023)

A computational study of low precision incomplete Cholesky factorization preconditioners for sparse linear least-squares problems
di: Scott, Jennifer, et al.
Pubblicazione: (2025)

Symbol-based multilevel block $τ$ preconditioners for multilevel block Toeplitz systems: GLT-based analysis and applications
di: Hon, Sean Y., et al.
Pubblicazione: (2024)

A block-acoustic preconditioner for the elastic Helmholtz equation
di: Yovel, Rachel, et al.
Pubblicazione: (2024)

Efficient parameter-robust preconditioners for linear poroelasticity and elasticity in the primal formulation
di: Huang, Weizhang, et al.
Pubblicazione: (2025)

Block $ω$-circulant preconditioners for parabolic optimal control problems
di: Fung, Po Yin, et al.
Pubblicazione: (2024)

Fast randomized least-squares solvers can be just as accurate and stable as classical direct solvers
di: Epperly, Ethan N., et al.
Pubblicazione: (2024)

Can Symmetric Positive Definite (SPD) coarse spaces perform well for indefinite Helmholtz problems?
di: Dolean, Victorita, et al.
Pubblicazione: (2024)

Extended block Hessenberg process for the evaluation of matrix functions
di: Bentbib, A. H., et al.
Pubblicazione: (2024)

A block Recycled GMRES method with investigations into aspects of solver performance
di: Parks, Michael L., et al.
Pubblicazione: (2016)

Chebyshev HOPGD with sparse grid sampling for parameterized linear systems
di: Correnty, Siobhán, et al.
Pubblicazione: (2023)

A Lie algebra view of matrix splittings
di: Benzi, Michele, et al.
Pubblicazione: (2025)

Error norm estimates for the block conjugate gradient algorithm
di: Meurant, Gérard, et al.
Pubblicazione: (2025)

On a shrink-and-expand technique for symmetric block eigensolvers
di: Liu, Yuqi, et al.
Pubblicazione: (2024)

On efficient block Krylov-solvers for $\mathcal H^2$-matrices
di: Christophersen, Sven
Pubblicazione: (2025)

A general class of iterative splitting methods for solving linear systems
di: Novati, Paolo, et al.
Pubblicazione: (2024)

A Sherman--Morrison--Woodbury approach to solving least squares problems with low-rank updates
di: Güttel, Stefan, et al.
Pubblicazione: (2024)

A $τ$-preconditioner for space fractional diffusion equation with non-separable variable coefficients
di: Lin, Xue-Lei, et al.
Pubblicazione: (2024)

On finite precision block Lanczos computations
di: Šimonová, Dorota, et al.
Pubblicazione: (2025)

On $τ$-preconditioners for a quasi-compact difference scheme to Riesz fractional diffusion equations with variable coefficients
di: She, Zi-Hang, et al.
Pubblicazione: (2024)

Monolithic two-level Schwarz preconditioner for Biot's consolidation model in two space dimensions
di: Meggendorfer, Stefan, et al.
Pubblicazione: (2024)

GDSW preconditioners for composite Discontinuous Galerkin discretizations of multicompartment reaction-diffusion problems
di: Huynh, Ngoc Mai Monica, et al.
Pubblicazione: (2024)

A parallel preconditioner for the all-at-once linear system from evolutionary PDEs with Crank-Nicolson discretization
di: Zhao, Yong-Liang, et al.
Pubblicazione: (2024)

An efficient preconditioner for evolutionary partial differential equations with $θ$-method in time discretization
di: Huang, Yuan-Yuan, et al.
Pubblicazione: (2024)

Parameter-robust preconditioners for a cell-by-cell poroelasticity model with interface coupling
di: Causemann, Marius, et al.
Pubblicazione: (2025)

Randomized block Gram-Schmidt process for solution of linear systems and eigenvalue problems
di: Balabanov, Oleg, et al.
Pubblicazione: (2021)

A robust and adaptive GenEO-type domain decomposition preconditioner for $\mathbf{H}(\mathbf{curl})$ problems in three-dimensional general topologies
di: Bootland, Niall, et al.
Pubblicazione: (2023)

Solving nonlinear eigenvalue problems via contour integration and region partitioning
di: Liu, Yuqi, et al.
Pubblicazione: (2025)

Superfast direct inversion of the nonuniform discrete Fourier transform via hierarchically semi-separable least squares
di: Wilber, Heather, et al.
Pubblicazione: (2024)