Found 46 Documents (Results 1–46)
R. Chan’s circulant-based approximate inverse preconditioning iterative method for solving second-order space fractional advection-dispersion equations with variable coefficients. (English) Zbl 07841104
Efficient ADI schemes and preconditioning for a class of high-dimensional spatial fractional diffusion equations with variable diffusion coefficients. (English) Zbl 1505.65284
A new approximate inverse preconditioner based on the Vaidya’s maximum spanning tree for matrix equation \(AXB = C\). (English) Zbl 1507.65084
Preconditioning techniques in Chebyshev collocation method for elliptic equations. (English) Zbl 1408.35025
Complete pivoting strategy for the IUL preconditioner obtained from backward factored approximate inverse process. (English) Zbl 1405.65049
Fast ADI method for high dimensional fractional diffusion equations in conservative form with preconditioned strategy. (English) Zbl 1368.65165
Preconditioning Toeplitz-plus-diagonal linear systems using the Sherman-Morrison-Woodbury formula. (English) Zbl 1455.65046
Application of a GPU-accelerated hybrid preconditioned conjugate gradient approach for large 3D problems in computational geomechanics. (English) Zbl 1443.65045
On the preconditioned quasi-Monte Carlo algorithm for matrix computations. (English) Zbl 07227062
Lirkov, Ivan (ed.) et al., Large-scale scientific computing. 10th international conference, LSSC 2015, Sozopol, Bulgaria, June 8–12, 2015. Revised selected papers. Cham: Springer. Lect. Notes Comput. Sci. 9374, 163-171 (2015).
MSC:
65-XX
A convergence analysis for a sweeping preconditioner for block tridiagonal systems of linear equations. (English) Zbl 1363.65040
MPI-CUDA sparse matrix-vector multiplication for the conjugate gradient method with an approximate inverse preconditioner. (English) Zbl 1390.65038
A generalization of the optimal diagonal approximate inverse preconditioner. (English) Zbl 1368.65040
On finding robust approximate inverses for large sparse matrices. (English) Zbl 1317.65081
Reviewer: Drahoslava Janovská (Praha)
Efficient parallel solution to large-size sparse eigenproblems with block FSAI preconditioning. (English) Zbl 1274.65106
Reviewer: Luca Bergamaschi (Padua)
Different versions of ILU and IUL factorizations obtained from forward and backward factored approximate inverse processes. I. (English) Zbl 1236.65032
Nonsymmetric preconditioner updates in Newton-Krylov methods for nonlinear systems. (English) Zbl 1232.65049
Factored approximate inverse preconditioners with dynamic sparsity patterns. (English) Zbl 1228.65047
MSC:
65F08
A new fast multipole boundary element method for two dimensional acoustic problems. (English) Zbl 1225.76213
A class of preconditioners based on matrix splitting for nonsymmetric linear systems. (English) Zbl 1192.65037
Parallel solution of large-scale free surface viscoelastic flows via sparse approximate inverse preconditioning. (English) Zbl 1274.76095
Computing an approximate inverse preconditioner by successive approximations method. (English) Zbl 1236.65030
An approximate matrix inversion procedure by parallelization of the Sherman-Morrison formula. (English) Zbl 1190.65047
Preconditioner based on the Sherman-Morrison formula for regularized least squares problems. (English) Zbl 1192.65036
Reviewer: Murli Gupta (Washington, D. C.)
Performance analysis of parallel Krylov methods for solving boundary integral equations in electromagnetism. (English) Zbl 1125.78012
Reviewer: Nina Shokina (Freiburg)
The solution of linear systems by using the Sherman-Morrison formula. (English) Zbl 1111.65027
Reviewer: Lubomír Bakule (Praha)
Approximate inverse preconditioners for some large dense random electrostatic interaction matrices. (English) Zbl 1098.65045
An ILU preconditioner for nonsymmetric positive definite matrices by using the conjugate Gram-Schmidt process. (English) Zbl 1096.65042
Reviewer: Georg Hebermehl (Berlin)
On the preconditioners for fast multipole boundary element methods for 2D multi-domain elastostatics. (English) Zbl 1182.74242
Combining fast multipole techniques and an approximate inverse preconditioner for large electromagnetism calculations. (English) Zbl 1089.78023
Parallel sparse approximate preconditioners applied to the solution of BEM systems. (English) Zbl 1130.74464
Numerical experiments with Monte Carlo methods and SPAI preconditioner for solving system of linear equations. (English) Zbl 1062.65004
Sloot, Peter M. A. (ed.) et al., Computational science - ICCS 2002. 2nd international conference, Amsterdam, the Netherlands, April. 21–24, 2002. Proceedings. Part 2. Berlin: Springer (ISBN 3-540-43593-X). Lect. Notes Comput. Sci. 2330, 619-627 (2002).
Multigrid treatment and robustness enhancement for factored sparse approximate inverse preconditioning. (English) Zbl 1012.65030
A multilevel AINV preconditioner. (English) Zbl 1044.65036
Reviewer: George A. Gravvanis (Athens)
Preconditioned iterative methods for the nine-point approximation to the convection-diffusion equation. (English) Zbl 0993.65117
Stabilized and block approximate inverse preconditioners for problems in solid and structural mechanics. (English) Zbl 1021.74041
A structural diagnosis of some IC orderings. (English) Zbl 0988.65035
Reviewer: Michael Tsatsomeros (Pullman)
Ordering, anisotropy, and factored sparse approximate inverses. (English) Zbl 0955.65018
Reviewer: Nelli Dimitrova (Sofia)
A sparse approximate inverse preconditioner for nonsymmetric linear systems. (English) Zbl 0930.65027
Reviewer: Myron Sussman (Bethel Park)
Effective parallel preconditioning with sparse approximate inverses. (English) Zbl 0836.65066
Bailey, David H. (ed.) et al., Proceedings of the seventh SIAM conference on parallel processing for scientific computing, San Francisco, CA (USA), February 15-17, 1995. Philadelphia, PA: SIAM. 466-471 (1995).
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