X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
mathematics, applied (16) 16
preconditioning (10) 10
mathematics (7) 7
convergence (6) 6
finite differences (6) 6
mathematics - numerical analysis (6) 6
algebra (5) 5
preconditioners (5) 5
toeplitz matrices (5) 5
approximation (4) 4
equations (4) 4
finite element method (4) 4
mathematical analysis (4) 4
matrices (4) 4
multigrid methods (4) 4
systems (4) 4
clustering (3) 3
computational mathematics (3) 3
eigenvalues (3) 3
elliptic operators (3) 3
ergodic theorems (3) 3
linear systems (3) 3
mathematical models (3) 3
mathematics, general (3) 3
multigrid (3) 3
operators (3) 3
spectra (3) 3
theory of computation (3) 3
toeplitz and vandermonde matrices (3) 3
toeplitz-systems (3) 3
algorithms (2) 2
beräkningsmatematik (2) 2
block toeplitz matrices (2) 2
boundary conditions (2) 2
clustering and preconditioning (2) 2
coefficients (2) 2
collocation methods (2) 2
computer science (2) 2
diffusion (2) 2
discrete poisson equation (2) 2
eigenvectors (2) 2
finite element approximations (2) 2
framework (2) 2
generating function (2) 2
generating-functions (2) 2
iterative methods (2) 2
matematik (2) 2
matrix sequences (2) 2
natural sciences (2) 2
naturvetenskap (2) 2
non-hermitian matrix (2) 2
numeric computing (2) 2
numerical analysis (2) 2
optimal convergence (2) 2
sequences (2) 2
spectral distribution (2) 2
toeplitz (2) 2
toeplitz matrix (2) 2
two-grid and multigrid iterations (2) 2
65f10 (1) 1
65n22 (1) 1
algebraic multigrid (1) 1
analysis (1) 1
appl.mathematics/computational methods of engineering (1) 1
approximations (1) 1
bifurcation theory (1) 1
boundary-conditions (1) 1
boundary-value-problems (1) 1
chaos theory (1) 1
chaotic behavior (1) 1
chemical reactors (1) 1
circulant algebra (1) 1
circulant matrices (1) 1
codes (1) 1
computational theory and mathematics (1) 1
computer science, theory & methods (1) 1
computer simulation (1) 1
conditioning and preconditioning (1) 1
convection-diffusion equation (1) 1
cosine transform (1) 1
dct-iii matrix algebra (1) 1
deblurring models (1) 1
definite linear-systems (1) 1
degenerate hopf bifurcations (1) 1
dimensionality (1) 1
dynamic behavior (1) 1
dynamical systems (1) 1
elliptic problems (1) 1
feedback-system theory (1) 1
finite element analysis (1) 1
fourier-analysis (1) 1
generating ftinction (1) 1
graph matrices (1) 1
image deblurring problem (1) 1
inlet temperature (1) 1
jacobians (1) 1
krylov methods (1) 1
linear positive operators (1) 1
marching algorithms (1) 1
mathematical and computational physics (1) 1
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Linear Algebra and Its Applications, ISSN 0024-3795, 08/2016, Volume 502, pp. 159 - 185
Inspired by the theoretical results on optimal preconditioning stated by Ng, Chan, and Tang in the framework of Reflective boundary conditions (BCs), in this... 
Image deblurring problem | Preconditioning | MATHEMATICS | MATHEMATICS, APPLIED | MODELS | TOEPLITZ MATRICES | EIGENVECTORS | ALGEBRA | RESTORATION | Mathematics | Naturvetenskap | Natural Sciences | Beräkningsmatematik | Computational Mathematics | Matematik
Journal Article
SIAM Journal on Matrix Analysis and Applications, ISSN 0895-4798, 2009, Volume 31, Issue 3, pp. 997 - 1018
Journal Article
Computers and Mathematics with Applications, ISSN 0898-1221, 2010, Volume 60, Issue 5, pp. 1290 - 1298
In recent contributions, algebraic multigrid methods have been designed and studied from the viewpoint of spectral complementarity. In this note, we focus our... 
Structured matrices | Algebraic multigrid | TOEPLITZ | MATHEMATICS, APPLIED | OPTIMAL CONVERGENCE | PRECONDITIONERS | Linear systems | Algebra | Approximation | Computer simulation | Multigrid methods | Mathematical analysis | Boundary conditions | Mathematical models | Spectra
Journal Article
Linear Algebra and Its Applications, ISSN 0024-3795, 2003, Volume 369, pp. 41 - 75
In the past few years several authors have studied the preconditioning of collocation matrices by finite differences (FDs) matrices arising from the associated... 
Elliptic operators | Collocation methods | Ergodic theorems | Toeplitz matrices | Preconditioning | Finite differences | ergodic theorems | MATHEMATICS, APPLIED | BLOCK TOEPLITZ MATRICES | SEQUENCES | CONVERGENCE | finite differences | collocation methods | OPERATORS | elliptic operators | preconditioning
Journal Article
Linear Algebra and Its Applications, ISSN 0024-3795, 1999, Volume 293, Issue 1, pp. 85 - 131
Journal Article
Electronic Transactions on Numerical Analysis, ISSN 1068-9613, 2003, Volume 16, pp. 1 - 29
In this paper we are concerned with the spectral analysis of the sequence of preconditioned matrices {P-n(-1) A(n) (a, m(1), m(2), k)}(n), where n = (n(1),... 
Toeplitz and Vandermonde matrices | Spectral distribution | Clustering and preconditioning | Finite differences | UNIFYING APPROACH | MATHEMATICS, APPLIED | TOEPLITZ MATRICES | MULTIGRID METHODS | EQUATIONS | finite differences | spectral distribution | ELLIPTIC PROBLEMS | FRAMEWORK | SYSTEMS | CONVERGENCE | clustering and preconditioning
Journal Article
Mathematics, ISSN 2227-7390, 12/2019, Volume 8, Issue 1, p. 5
In the present paper, we consider multigrid strategies for the resolution of linear systems arising from the Q k Finite Elements approximation of one- and... 
Journal Article
SIAM Journal on Scientific Computing, ISSN 1064-8275, 2005, Volume 26, Issue 1, pp. 55 - 85
We introduce a multigrid technique for the solution of multilevel circulant linear systems whose coefficient matrix has eigenvalues of the form f(x(j)([n])),... 
Multilevel matrices | Circulant algebra | Two-grid and multigrid iterations | MATHEMATICS, APPLIED | circulant algebra | PRECONDITIONERS | CODES | two-grid and multigrid iterations | multilevel matrices | EQUATIONS | CONVERGENCE | TOEPLITZ-SYSTEMS | OPERATORS
Journal Article
ANZIAM Journal, ISSN 1446-1811, 2004, Volume 45, Issue 2, pp. C857 - C869
Journal Article
SIAM Journal on Matrix Analysis and Applications, ISSN 0895-4798, 01/2009, Volume 31, Issue 3, pp. 997 - 997
A two-step preconditioned iterative method based on the Hermitian and skew-Hermitian splitting is applied to the solution of nonsymmetric linear systems... 
Finite element method | Linear systems | Splitting | Approximation | Mathematical analysis | Mathematical models | Spectra | Diffusion
Journal Article
International Journal of Bifurcation and Chaos, ISSN 0218-1274, 07/1996, Volume 6, Issue 7, pp. 1255 - 1266
A detailed bifurcation analysis of a non-ideal Proportional-Integral controlled Continuous Stirred Tank Reactor (CSTR) has been performed taking advantage of... 
MATHEMATICS, APPLIED | STIRRED TANK REACTORS | MULTIDISCIPLINARY SCIENCES | FEEDBACK-SYSTEM THEORY
Journal Article
SIAM Journal on Scientific Computing, ISSN 1064-8275, 2004, Volume 25, Issue 5, pp. 1633 - 1654
In this paper we propose and analyze preconditioning strategies for Hermitian indefinite linear systems by using indefinite preconditioners: under very... 
Generating function | Toeplitz matrix | Preconditioning | MATHEMATICS, APPLIED | MATRICES | generating function | CONVERGENCE | SPECTRA | MULTIGRID METHOD | preconditioning
Journal Article
Proceedings of SPIE - The International Society for Optical Engineering, ISSN 0277-786X, 2002, Volume 4791, pp. 210 - 221
Conference Proceeding
SIAM Journal on Matrix Analysis and Applications, ISSN 0895-4798, 2004, Volume 25, Issue 1, pp. 152 - 164
We consider a preconditioning strategy for finite differences (FD) matrix sequences $\{A_n(a,\Omega)\}_n$ discretizing the elliptic problem $$... 
Preconditioned conjugate gradient (PCG) | Conditioning and preconditioning | Finite differences (FD) | Multigrid | Multilevel (Toeplitz) structure | Graph matrices
Journal Article
10/2007
The paper analyzes and compares some spectral filtering methods as truncated singular/eigen-value decompositions and Tikhonov/Re-blurring regularizations in... 
Mathematics - Numerical Analysis
Journal Article
No results were found for your search.

Cannot display more than 1000 results, please narrow the terms of your search.