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- 1.0404173 - UIVT-O 220004 CZ eng V - Research Report
Tůma, Miroslav
A Note on the LDL T Decomposition of Sparse Symmetric Quasisemidefinite Matrices.
Prague: ICS AS CR, 1997. 14 s. Technical Report, V-733.
R&D Projects: GA AV ČR IAA2030706; GA ČR GA205/96/0921
Keywords : systems of sparse linear algebraic equations * symmetric indefinite systems * direct methods * LTDT decomposition * supernodal solvers
Permanent Link: http://hdl.handle.net/11104/0124440 - 2.0403820 - UIVT-O 990159 CZ eng V - Research Report
Grigorieff, Rolf Dieter - Sloan, Ian H. - Brands, Jan H.
Superapproximation and Commutator Properties of Discrete Orthogonal Projections for Continuous Splines.
Prague: ICS AS CR, 1999. 20 s. Technical Report, V-783.
R&D Projects: GA AV ČR IAA2030706
Permanent Link: http://hdl.handle.net/11104/0124111 - 3.0403819 - UIVT-O 990158 CZ eng V - Research Report
Brands, Jan H.
Explanation of a Phenomenon Witnessed in Pre-Processed GMRES.
Prague: ICS AS CR, 1999. 8 s. Technical Report, V-782.
R&D Projects: GA AV ČR IAA2030706
Permanent Link: http://hdl.handle.net/11104/0124110 - 4.0403779 - UIVT-O 990125 US eng V - Research Report
Benzi, M. - Cullum, J. K. - Tůma, Miroslav
Robust Approximate Inverse Preconditioning for the Conjugate Gradient Method.
Los Alamos: Los Alamos National Laboratory, 1999. 17 s. Technical Report, LA-UR-99-2899.
R&D Projects: GA AV ČR IAA2030706; GA AV ČR IAA2030801
Permanent Link: http://hdl.handle.net/11104/0124070 - 5.0403778 - UIVT-O 990124 US eng V - Research Report
Benzi, M. - Haws, J. C. - Tůma, Miroslav
Preconditioning Highly Indefinite and Nonsymmetric Matrices.
Los Alamos: Los Alamos National Laboratory, 1999. 26 s. Technical Report, LA-UR-99-4857.
R&D Projects: GA AV ČR IAA2030706; GA AV ČR IAA2030801
Permanent Link: http://hdl.handle.net/11104/0124069 - 6.0403668 - UIVT-O 990017 CZ eng V - Research Report
Lukšan, Ladislav - Vlček, Jan
Globally Convergent Variable Metric Method for Nonconvex Nondifferentiable Unconstrained Minimization.
Prague: ICS AS CR, 1999. 16 s. Technical Report, V-775.
R&D Projects: GA AV ČR IAA2030706
Keywords : nonsmooth minimization * nonconvex minimization * numerical methods * variable metric methods global convergence
Permanent Link: http://hdl.handle.net/11104/0123966File Download Size Commentary Version Access v775-99.pdf 31 244 KB Other open-access - 7.0403595 - UIVT-O 980149 CZ eng V - Research Report
Paige, Ch. - Strakoš, Zdeněk
Residuals and Singular Values in Linear Least Squares Problems.
Prague: ICS AS CR, 1998. 23 s. Technical Report, V-765.
R&D Projects: GA ČR GA205/96/0921; GA AV ČR IAA2030706
Keywords : least squares * singular values * linear equations * large sparse matrices * Krylov methods * iterative solution * GMRES * modified Gram-Schmidt
Permanent Link: http://hdl.handle.net/11104/0123894File Download Size Commentary Version Access v765-98.pdf 13 264.4 KB Other open-access - 8.0403594 - UIVT-O 980148 CZ eng V - Research Report
Gutknecht, M. H. - Paige, Ch. - Strakoš, Zdeněk
Accuracy of Two Three-term and Three Two-term Recurrences for Krylov Space Solvers.
Prague: ICS AS CR, 1997. 21 s. Technical Report, V-764.
R&D Projects: GA ČR GA205/96/0921; GA AV ČR IAA2030706
Keywords : linear system of equations * iterative method * Krylov space method * conjugate gradient method * tree-term recurrence * accuracy * roundoff
Permanent Link: http://hdl.handle.net/11104/0123893File Download Size Commentary Version Access v764-97.pdf 12 275.8 KB Other open-access - 9.0403386 - UIVT-O 980047 CZ eng V - Research Report
Pták, Vlastimil
Spectral Radius of Opertators on l.
Prague: ICS AS CR, 1998. 10 s. Technical Report, V-747.
R&D Projects: GA AV ČR IAA2030706
Permanent Link: http://hdl.handle.net/11104/0123696File Download Size Commentary Version Access v747-98.pdf 6 131.3 KB Other open-access - 10.0403232 - UIVT-O 200425 CZ eng V - Research Report
Arioli, M. - Pták, Vlastimil - Strakoš, Zdeněk
Krylov Sequences of Maximal Length and Convergence of GMRES.
Prague: ICS AS CR, 1997. 10 s. Technical Report, V-722.
R&D Projects: GA AV ČR IAA2030706
Keywords : minimal polynomial * Krylov sequences * GMRES method * convergence
Permanent Link: http://hdl.handle.net/11104/0123552