Found 67 Documents (Results 1–67)
Numerical considerations of block GMRES methods when applied to linear discrete ill-posed problems. (English) Zbl 1518.65038
MSC:
65F22
A data completion algorithm using an integral representation of the Steklov-Poincaré operator. (English) Zbl 1504.65242
A novel ILU preconditioning method with a block structure suitable for SIMD vectorization. (English) Zbl 1502.65013
A simpler GMRES algorithm accelerated by Chebyshev polynomials for computing PageRank. (English) Zbl 1489.65058
MSC:
65F15
GMRES methods for tomographic reconstruction with an unmatched back projector. (English) Zbl 1489.65060
Restarted simpler GMRES augmented with harmonic Ritz vectors and approximate errors. (English) Zbl 1431.65038
MSC:
65F10
Can coercive formulations lead to fast and accurate solution of the Helmholtz equation? (English) Zbl 1410.65445
A proportional-derivative control strategy for restarting the GMRES(\(m\)) algorithm. (English) Zbl 1524.65144
MSC:
65F10
The block CMRH method for solving nonsymmetric linear systems with multiple right-hand sides. (English) Zbl 1503.65065
MSC:
65F10
Global FOM and GMRES algorithms for a class of complex matrix equations. (English) Zbl 1392.65061
MSC:
65F10
65F30
Spectral properties of the matrix splitting preconditioners for generalized saddle point problems. (English) Zbl 1377.65040
The WR-HSS iteration method for a system of linear differential equations and its applications to the unsteady discrete elliptic problem. (English) Zbl 1404.65134
Spectral properties of a class of matrix splitting preconditioners for saddle point problems. (English) Zbl 1331.65059
Motivations and realizations of Krylov subspace methods for large sparse linear systems. (English) Zbl 1311.65032
A flexible and adaptive simpler block GMRES with deflated restarting for linear systems with multiple right-hand sides. (English) Zbl 1309.65038
Strang-type preconditioners for solving fractional diffusion equations by boundary value methods. (English) Zbl 1302.65212
Complete stagnation of GMRES for normal matrices. (English) Zbl 1301.65022
MSC:
65F10
Accelerated GCRO-DR method for solving sequences of systems of linear equations. (English) Zbl 1288.65040
MSC:
65F10
On the choice of preconditioner for minimum residual methods for non-Hermitian matrices. (English) Zbl 1285.65020
Constraint preconditioners for solving singular saddle point problems. (English) Zbl 1257.65017
Reviewer: Liu Xinguo (Qingdao)
Laplace-Beltrami enhancement for unstructured two-dimensional meshes having dendritic elements and boundary node movement. (English) Zbl 1252.65198
MSC:
65N50
The generalized HSS method for solving singular linear systems. (English) Zbl 1242.65061
Reviewer: Drahoslava Janovská (Praha)
Evaluation of the performance of inexact GMRES. (English) Zbl 1209.65040
MSC:
65F10
Row scaling as a preconditioner for some nonsymmetric linear systems with discontinuous coefficients. (English) Zbl 1196.65066
On block-circulant preconditioners for high-order compact approximations of convection-diffusion problems. (English) Zbl 1215.65053
Reviewer: Martin Reißel (Aachen)
Preconditioning techniques for a mixed Stokes/Darcy model in porous medium applications. (English) Zbl 1172.76023
A simple strategy for varying the restart parameter in GMRES\((m)\). (English) Zbl 1169.65024
MSC:
65F10
Simultaneous solution of large-scale linear systems and eigenvalue problems with a parallel GMRES method. (English) Zbl 1161.65027
Direct and iterative solution of the generalized Dirichlet-Neumann map for elliptic PDEs on square domains. (English) Zbl 1183.65154
Reviewer: Petr Necesal (Plzen)
Preconditioned GMRES methods with incomplete Givens orthogonalization method for large sparse least-squares problems. (English) Zbl 1160.65313
Optimization of the parameterized Uzawa preconditioners for saddle point matrices. (English) Zbl 1170.65027
Reviewer: Frank Uhlig (Auburn)
Preconditioned AOR iterative methods for \(M\)-matrices. (English) Zbl 1175.65043
Reviewer: George A. Gravvanis (Xanthi)
Analysis of incomplete factorizations for a nine-point approximation to a convection-diffusion model problem. (English) Zbl 1158.65341
New convergence results on the global GMRES method for diagonalizable matrices. (English) Zbl 1196.65068
MSC:
65F10
An implicit high-order finite volume scheme for the solution of 3D Navier-Stokes equations with new discretization of diffusive terms. (English) Zbl 1134.76044
A new implementation of the CMRH method for solving dense linear systems. (English) Zbl 1136.65036
MSC:
65F10
Decomposition methods for large linear discrete ill-posed problems. (English) Zbl 1106.65035
Reviewer: Liu Xinguo (Qingdao)
Convergence properties of some block Krylov subspace methods for multiple linear systems. (English) Zbl 1100.65024
Reviewer: Răzvan Răducanu (Iaşi)
MSC:
65F10
Bounds on the eigenvalue range and on the field of values of non-Hermitian and indefinite finite element matrices. (English) Zbl 1126.15023
Reviewer: Ching-Hua Chang (Hualien)
Application of a third-order reconstruction scheme to hypersonic reacting flows using unstructured meshes and multigrid techniques. (English) Zbl 1057.76043
Preconditioned implicit solution of linear hyperbolic equations with adaptivity. (English) Zbl 1054.65097
Reviewer: Leonid B. Chubarov (Novosibirsk)
Preconditioned WR-LMF-based method for ODE systems. (English) Zbl 1038.65062
Reviewer: Iulian Coroian (Baia Mare)
Circulant preconditioned WR-BVM methods for ODE systems. (English) Zbl 1038.65061
Reviewer: Iulian Coroian (Baia Mare)
A fast implementation for GMRES method. (English) Zbl 1032.65026
Reviewer: Ferenc Szidarovszky (Tucson)
A new approximate matrix factorization for implicit time integration in air pollution modeling. (English) Zbl 1031.65106
Reviewer: S.Burys (Kraków)
Preconditioned iterative methods for the nine-point approximation to the convection-diffusion equation. (English) Zbl 0993.65117
On performance of SOR method for solving nonsymmetric linear systems. (English) Zbl 1002.65039
Reviewer: B.Döring (Düsseldorf)
A multigrid preconditioner for stabilised discretisations of advection-diffusion problems. (English) Zbl 0939.65135
Reviewer: S.F.McCormick (Boulder)
Discrete QMR and BCG in the numerical solution of linear systems of ODEs. (English) Zbl 0946.65039
Reviewer: Krzysztof Moszyński (Warszawa)
Restarted GMRES preconditioned by deflation. (English) Zbl 0854.65025
Reviewer: A.Frommer (Wuppertal)
MSC:
65F10
A hybrid block GMRES method for nonsymmetric systems with multiple right-hand sides. (English) Zbl 0859.65021
Reviewer: A.Frommer (Wuppertal)
New insights in GMRES-like methods with variable preconditioners. (English) Zbl 0844.65021
Reviewer: R.Blaheta (Ostrava)
A polynomial preconditioner for the GMRES algorithm. (English) Zbl 0831.65033
Reviewer: L.Berg (Rostock)
The superlinear convergence behaviour of GMRES. (English) Zbl 0797.65026
Reviewer: J.Zítko (Praha)
MSC:
65F10
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