A new block preconditioner for weighted Toeplitz regularized least-squares problems

DOI10.1080/00207160.2023.2272589OpenAlexW4387777283MaRDI QIDQ6193379

Masoud Hajarian, Fariba Bakrani Balani

Publication date: 13 February 2024

Published in: International Journal of Computer Mathematics (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1080/00207160.2023.2272589

zbMATH Keywords

preconditioningsplittingleast-squares problemsweighted Toeplitz matrices

Mathematics Subject Classification ID

Computational methods for sparse matrices (65F50) Iterative numerical methods for linear systems (65F10)

Cites Work

• Unnamed Item
• Unnamed Item
• Unnamed Item
• A special Hermitian and skew-Hermitian splitting method for image restoration
• A special generalized HSS method for discrete ill-posed problems
• Accelerated GNHSS iterative method for weighted Toeplitz regularized least-squares problems from image restoration
• Block triangular preconditioners for symmetric saddle-point problems
• A circulant-matrix-based new accelerated GSOR preconditioned method for block two-by-two linear systems from image restoration problems
• A shifted nested splitting iterative method with applications to ill-posed problems and image restoration
• Shift-splitting preconditioners for saddle point problems
• Generalized Hermitian and skew-Hermitian splitting iterative method for image restoration
• A class of upper and lower triangular splitting iteration methods for image restoration
• The comparisons of two special Hermitian and skew-Hermitian splitting methods for image restoration
• A generalized shift-splitting preconditioner for saddle point problems
• New variant of the HSS iteration method for weighted Toeplitz regularized least-squares problems from image restoration
• A splitting preconditioner for saddle point problems
• On the Eigenvalues and Eigenvectors of Block Triangular Preconditioned Block Matrices
• Accelerated Hermitian and skew-Hermitian splitting iteration methods for saddle-point problems
• Numerical solution of saddle point problems
• Deblurring Images
• A Generalization of the Hermitian and Skew-Hermitian Splitting Iteration
• Constraint Preconditioners for Symmetric Indefinite Matrices
• Block-Triangular Preconditioners for Saddle Point Problems with a Penalty Term
• On Solving Block-Structured Indefinite Linear Systems
• Hermitian and Skew-Hermitian Splitting Methods for Non-Hermitian Positive Definite Linear Systems
• Conjugate-gradient preconditioning methods for shift-variant PET image reconstruction
• On the iterative refinement of the solution of ill-conditioned linear system of equations
• A Preconditioner for Generalized Saddle Point Problems
• Modified special HSS method for discrete ill-posed problems and image restoration
• Sparse Stretching for Solving Sparse-Dense Linear Least-Squares Problems
• Constraint-Style Preconditioners for Regularized Saddle Point Problems
• Block-Diagonal and Constraint Preconditioners for Nonsymmetric Indefinite Linear Systems. Part I: Theory
• Weighted Toeplitz Regularized Least Squares Computation for Image Restoration
• An Augmented Lagrangian‐Based Approach to the Oseen Problem
• Optimal Parameter in Hermitian and Skew-Hermitian Splitting Method for Certain Two-by-Two Block Matrices
• Preconditioned Iterative Methods for Weighted Toeplitz Least Squares Problems

This page was built for publication: A new block preconditioner for weighted Toeplitz regularized least-squares problems