## Found 4,956 Documents (Results 1–100)

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### The convergence of modulus-based matrix splitting iteration methods for implicit complementarity problems. (English)Zbl 07531706

MSC:  65F10 65F50
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### Improved CRI iteration methods for a class of complex symmetric linear systems. (English)Zbl 07531479

MSC:  65F10 65F50
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### Single step iterative method for linear system of equations with complex symmetric positive semi-definite coefficient matrices. (English)Zbl 07531241

MSC:  65K10 65F10 65F50
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### The convergence of the modulus-based Jacobi (MJ) iteration method for solving horizontal linear complementarity problems. (English)Zbl 07530556

MSC:  65F10 65F50
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### A robust algebraic domain decomposition preconditioner for sparse normal equations. (English)Zbl 07525082

MSC:  65F08 65F20 65F50
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MSC:  90Cxx
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### Noise sensitivity for the top eigenvector of a sparse random matrix. (English)Zbl 07524204

MSC:  15B52 15A18 60B20
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### A fully structured preconditioner for a class of complex symmetric indefinite linear systems. (English)Zbl 07515304

MSC:  65F10 65F50
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### Structured backward error analysis for a class of block three-by-three saddle point problems. (English)Zbl 07512655

MSC:  65F10 65F50 65G50
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### Hierarchical-matrix method for a class of diffusion-dominated partial integro-differential equations. (English)Zbl 07511591

MSC:  45K05 65F08 65F30 65F50 65N22
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### Exactly solving sparse rational linear systems via roundoff-error-free Cholesky factorizations. (English)Zbl 07511017

MSC:  65F50 65F05 65G50
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### Efficient iteration methods for complex systems with an indefinite matrix term. (English)Zbl 1483.65050

MSC:  65F10 65F50 65E05
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MSC:  65-XX
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### Approximating optimal parameters for generalized preconditioned Hermitian and skew-Hermitian splitting (GPHSS) method. (English)Zbl 07490240

MSC:  65K10 65F10 65F50
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### Additive inexact block triangular preconditioners for saddle point problems arising in meshfree discretization of piezoelectric equations. (English)Zbl 1482.65040

MSC:  65F08 65F10 65F50
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### Unifying compactly supported and Matérn covariance functions in spatial statistics. (English)Zbl 07482275

MSC:  62H11 62M30
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### Divide-and-conquer methods for functions of matrices with banded or hierarchical low-rank structure. (English)Zbl 1482.65071

MSC:  65F60 65F50
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### Approximate generalized inverses with iterative refinement for $$\epsilon$$-accurate preconditioning of singular systems. (English)Zbl 1482.65044

MSC:  65F08 65F20 65F50
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### A new block-diagonal preconditioner for a class of $$3\times 3$$ block saddle point problems. (English)Zbl 1481.65048

MSC:  65F08 65F10 65F50
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### Optimal orthogonalization processes. (English)Zbl 1481.65062

MSC:  65F25 65F50 65T99
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### A new two-parameter iteration method for indefinite complex symmetric linear systems. (English)Zbl 1480.65075

MSC:  65F10 65F50 65F08
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### Gaussian belief propagation solvers for nonsymmetric systems of linear equations. (English)Zbl 1480.65070

MSC:  65F10 65F50 62M99
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### On a new variant of Arnoldi method for approximation of eigenpairs. (English)Zbl 1473.65046

MSC:  65F15 65F50
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### Three effective preconditioners for double saddle point problem. (English)Zbl 07513617

MSC:  65F08 65F10 65F50
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### Sparse approximate matrix-matrix multiplication for density matrix purification with error control. (English)Zbl 07505950

MSC:  65Fxx 81Vxx 65Yxx
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### Local Marchenko-Pastur law for sparse rectangular random matrices. (English. Russian original)Zbl 07503273

Dokl. Math. 104, No. 3, 332-335 (2021); translation from Dokl. Ross. Akad. Nauk, Mat. Inform. Protsessy Upr. 501, 22-25 (2021).
MSC:  60B20 15B52
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### Computing interior eigenvalues of large sparse symmetric matrices. (English)Zbl 07489879

MSC:  65F15 65F25 65F50
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### Deep learning architectures for nonlinear operator functions and nonlinear inverse problems. (English)Zbl 07488298

MSC:  35R30 62M45 68T05
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### Tail bounds for gaps between eigenvalues of sparse random matrices. (English)Zbl 1483.60008

MSC:  60B20 15A18 15B52
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MSC:  65F50
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MSC:  65-XX
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### An adaptation for iterative structured matrix completion. (English)Zbl 1483.65066

MSC:  65F55 65F50 15A83
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### Computational implementation of a mixed-dimensional model of heat transfer in the soil-pipe system in cryolithic zone. (English. Russian original)Zbl 1480.80013

Comput. Math. Math. Phys. 61, No. 12, 2054-2067 (2021); translation from Zh. Vychisl. Mat. Mat. Fiz. 61, No. 12, 2060-2073 (2021).
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### Some patterned matrices with independent entries. (English)Zbl 1479.60013

MSC:  60B20 60B10
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### On AMSOR smoother in modulus-based multigrid method for linear complementarity problems. (Chinese. English summary)Zbl 07448153

MSC:  65F10 65F50

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### An efficient iterative approach to large sparse nonlinear systems with non-Hermitian Jacobian matrices. (English)Zbl 1475.65017

MSC:  65F10 65F50 65H10
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### Two-level Nyström-Schur preconditioner for sparse symmetric positive definite matrices. (English)Zbl 07427882

MSC:  65F08 65F50 65F55
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### The RSS-like iteration method for block two-by-two linear systems from time-periodic parabolic optimal control problems. (English)Zbl 07425994

MSC:  65F10 65F50
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### Modified two-step scale-splitting iteration method for solving complex symmetric linear systems. (English)Zbl 1476.65041

MSC:  65F10 65F50
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### Convergence analysis of the splitting-based iterative method for solving generalized saddle point problems. (English)Zbl 07424822

MSC:  65F10 65F50
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### An alternating positive semidefinite splitting preconditioner for the three-by-three block saddle point problems. (English)Zbl 07424441

MSC:  65F10 65F50 65F08
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### A new constraint preconditioner based on the PGSS iteration method for non-Hermitian generalized saddle point problems. (English)Zbl 07422799

MSC:  65F10 65F50
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### A new iterative method for solving a class of two-by-two block complex linear systems. (English)Zbl 07420288

MSC:  65F10 65F50
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### Optimal and low-memory near-optimal preconditioning of fully implicit Runge-Kutta schemes for parabolic PDEs. (English)Zbl 07418132

MSC:  65F08 65F50 65M99
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### Fast randomized non-Hermitian eigensolvers based on rational filtering and matrix partitioning. (English)Zbl 07418130

MSC:  65F15 15A18 65F50
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### Sparse approximate multifrontal factorization with butterfly compression for high-frequency wave equations. (English)Zbl 07418112

MSC:  65F50 65R10 65R20
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### Hybrid iterative refined method for computing a few extreme eigenpairs of a symmetric matrix. (English)Zbl 07418105

MSC:  65F15 65F50 15A18
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### Uniform error estimates for the Lanczos method. (English)Zbl 07414035

MSC:  65F15 65F50
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### A variant of relaxed alternating positive semi-definite splitting preconditioner for double saddle point problems. (English)Zbl 1483.65048

MSC:  65F08 65F10 65F50
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### Computing function of large matrices by a preconditioned rational Krylov method. (English)Zbl 1470.65077

Vermolen, Fred J. (ed.) et al., Numerical mathematics and advanced applications. ENUMATH 2019. Proceedings of the European conference, Egmond aan Zee, The Netherlands, September 30 – October 4, 2019. Cham: Springer. Lect. Notes Comput. Sci. Eng. 139, 343-351 (2021).
MSC:  65F60 65F50
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### Cell-by-cell approximate Schur complement technique in preconditioning of meshfree discretized piezoelectric equations. (English)Zbl 07396245

MSC:  65F08 65F50
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### Analysis of modified SSOR method for augmented linear systems. (English)Zbl 1476.65044

MSC:  65F10 65F50 65F15
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### Exact matrix completion based on low rank Hankel structure in the Fourier domain. (English)Zbl 1472.15038

MSC:  15A83 65F50
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### Proxy-GMRES: preconditioning via GMRES in polynomial space. (English)Zbl 07382041

MSC:  65F08 65F10 65F50
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### Sparse random tensors: concentration, regularization and applications. (English)Zbl 1471.15021

MSC:  15A69 15B52 60C05
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### Rational spectral filters with optimal convergence rate. (English)Zbl 07379632

MSC:  65F15 15A18 65F50
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