Found 46 Documents (Results 1–46)
A simplified PSS preconditioner for non-Hermitian generalized saddle point problems. (English) Zbl 1466.76038
A modified block preconditioner for complex nonsymmetric indefinite linear systems. (English) Zbl 1429.65057
OpenMP parallel implementation of stiffly stable time-stepping projection/GMRES(ILU(0)) implicit simulation of incompressible fluid flows on shared-memory, multicore architecture. (English) Zbl 1428.76143
Restarted global FOM and GMRES algorithms for the Stein-like matrix equation \(X + \mathcal{M}(X) = C\). (English) Zbl 1429.65088
New methods for computing the Drazin-inverse solution of singular linear systems. (English) Zbl 1411.65063
A generalized relaxed positive-definite and skew-Hermitian splitting preconditioner for non-Hermitian saddle point problems. (English) Zbl 1338.65075
A relaxed positive-definite and skew-Hermitian splitting preconditioner for saddle point problems. (English) Zbl 1339.65045
Global simpler GMRES for nonsymmetric systems with multiple right-hand sides. (English) Zbl 1338.65096
On preconditioned iterative methods for unsteady incompressible Navier-Stokes equations. (English) Zbl 1298.65126
An iterative method for computing the approximate inverse of a square matrix and the Moore-Penrose inverse of a non-square matrix. (English) Zbl 1336.65048
A numerical method and efficient preconditioner for generalized airfoil equations. (English) Zbl 1312.76021
Comparison results of the preconditioned AOR methods for \(L\)-matrices. (English) Zbl 1263.65038
Reviewer: Radek Kucera (Ostrava)
On the block GMRES method with deflated restarting. (English) Zbl 1298.65060
Reviewer: Michael M. Pahirya (Mukachevo)
MSC:
65F10
A comparison of the Newton-Krylov method with high order Newton-like methods to solve nonlinear systems. (English) Zbl 1204.65055
MSC:
65H10
A simpler DGMRES. (English) Zbl 1200.65030
Product-type block preconditioners for electromagnetic cavity problems. (English) Zbl 1204.78032
Reviewer: Johannes Elschner (Berlin)
A note on the numerical approximate solutions for generalized Sylvester matrix equations with applications. (English) Zbl 1162.65019
Reviewer: Michael Jung (Dresden)
MSC:
65F30
15A24
A uniparametric LU-SGS method for systems of nonlinear equations. (English) Zbl 1122.65353
MSC:
65H10
Preconditioned techniques for solving large sparse linear systems arising from the discretization of the elliptic partial differential equations. (English) Zbl 1119.65029
A note on the iterative algorithm for large sparse saddle point problems. (English) Zbl 1118.65321
MSC:
65F10
A new version of successive approximations method for solving Sylvester matrix equations. (English) Zbl 1121.65044
Reviewer: Constantin Popa (Constanţa)
Corrected Uzawa methods for solving large nonsymmetric saddle point problems. (English) Zbl 1115.65037
Reviewer: Rózsa Horvàth-Bokor (Budapest)
New approaches for solving large Sylvester equations. (English) Zbl 1089.65038
MSC:
65F30
15A24
Comparison of performance of iterative methods for singular and nonsingular saddle point linear systems arising from Navier–Stokes equations. (English) Zbl 1089.65024
CG-type algorithms to solve symmetric matrix equations. (English) Zbl 1104.65029
Reviewer: Ronald H. W. Hoppe (Augsburg)
MSC:
65F10
Approximate inverse preconditioner by computing approximate solution of Sylvester equation. (English) Zbl 1103.65052
Implicitly restarted global FOM and GMRES for nonsymmetric matrix equations and Sylvester equations. (English) Zbl 1081.65038
Reviewer: Sonia Pérez Díaz (Madrid)
The superiority of a new type (2,2)-step iterative method over the related Chebyshev method. (English) Zbl 1067.65030
Reviewer: Volker John (Saarbrücken)
MSC:
65F10
Preconditioned GMRES methods for discretization equation of nonsymmetric and indefinite elliptic problem. (English) Zbl 1071.65156
Reviewer: Michel Bernadou (Paris La Defense)
Performance of certain Krylov subspace methods for solving convection-diffusion equations. (English) Zbl 1061.65111
A note on weighted FOM and GMRES for solving nonsymmetric linear systems. (English) Zbl 1053.65017
Reviewer: Xavier Antoine (Pasadena)
Uniform convergence and Schwarz method for the mortar element method for non-selfadjoint and indefinite problems. (English) Zbl 1029.65126
Reviewer: Vit Dolejsi (Praha)
A block GMRES method augmented with eigenvectors. (English) Zbl 1024.65031
MSC:
65F10
Multigrid method and multilevel additive preconditioner for mixed element method for non-self-adjoint and indefinite problems. (English) Zbl 1023.65128
Preconditioned iterative methods and finite difference schemes for convection-diffusion. (English) Zbl 1023.65110
A new implementation of EN method. (English) Zbl 0936.65023
Reviewer: H.Hollatz (Magdeburg)
MSC:
65F10
Two-level additive Schwarz preconditioners for \(P1\) nonconforming finite elements for nonsymmetric and indefinite problems. (English) Zbl 0908.65110
Reviewer: M.Jung (Chemnitz)
Preconditioned Newton methods using incremental unknowns methods for the resolution of a steady-state Navier-Stokes-like problem. (English) Zbl 0906.76045
A preconditioned GMRES method. (English) Zbl 0898.65060
Reviewer: J.Mandel (Denver)
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