Search results
- 1.0356217 - ÚI 2011 CZ eng A - Abstract
Okša, G. - Rozložník, Miroslav
On numerical behavior of the Arnoldi algorithm in finite precision arithmetic for matrices with close eigenvalues.
SNA '11 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2011 - (Blaheta, R.; Starý, J.). s. 88-91. ISBN 978-80-86407-19-7.
[SNA ’11. Seminar on Numerical Analysis. 24.01.2011-28.01.2011, Rožnov pod Radhoštěm]
R&D Projects: GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
Keywords : iterative method * Arnoldi process * finite precision arithmetic
Subject RIV: BA - General Mathematics
http://www.ugn.cas.cz/events/2011/sna/sna-sbornik-final.pdf
Permanent Link: http://hdl.handle.net/11104/0194797File Download Size Commentary Version Access a0356217.pdf 0 519 KB Publisher’s postprint open-access - 2.0356216 - ÚI 2011 CZ eng A - Abstract
Kopal, J. - Rozložník, Miroslav - Tůma, Miroslav
Orthogonalization with a non-standard inner product and approximate inverse preconditioning.
SNA '11 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2011 - (Blaheta, R.; Starý, J.). s. 61-64. ISBN 978-80-86407-19-7.
[SNA ’11. Seminar on Numerical Analysis. 24.01.2011-28.01.2011, Rožnov pod Radhoštěm]
R&D Projects: GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
Keywords : orthogonalization process * nonstandard inner product * approximate inverse preconditioning
Subject RIV: BA - General Mathematics
http://www.ugn.cas.cz/events/2011/sna/sna-sbornik-final.pdf
Permanent Link: http://hdl.handle.net/11104/0194796File Download Size Commentary Version Access a0356216.pdf 0 426.9 KB Publisher’s postprint open-access - 3.0356207 - ÚI 2011 CZ eng A - Abstract
Faber, V. - Tichý, Petr - Liesen, J.
Worst-case GMRES: characterization and examples.
SNA '11 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2011 - (Blaheta, R.; Starý, J.). s. 33-35. ISBN 978-80-86407-19-7.
[SNA ’11. Seminar on Numerical Analysis. 24.01.2011-28.01.2011, Rožnov pod Radhoštěm]
R&D Projects: GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
Keywords : GMRES method * worst-case convergence * ideal GMRES * matrix approximation problems * minmax
Subject RIV: BA - General Mathematics
http://www.ugn.cas.cz/events/2011/sna/sna-sbornik-final.pdf
Permanent Link: http://hdl.handle.net/11104/0194790File Download Size Commentary Version Access a0356207.pdf 0 418.4 KB Publisher’s postprint open-access - 4.0356206 - ÚI 2011 CZ eng A - Abstract
Duintjer Tebbens, Jurjen - Tůma, Miroslav
On two variants of incremental condition estimation.
SNA '11 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2011 - (Blaheta, R.; Starý, J.). s. 28-32. ISBN 978-80-86407-19-7.
[SNA ’11. Seminar on Numerical Analysis. 24.01.2011-28.01.2011, Rožnov pod Radhoštěm]
R&D Projects: GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
Keywords : 2-norm condition number * condition number estimation * inverse triangular decomposition * left and right singular vectors
Subject RIV: BA - General Mathematics
http://www.ugn.cas.cz/events/2011/sna/sna-sbornik-final.pdf
Permanent Link: http://hdl.handle.net/11104/0194789File Download Size Commentary Version Access a0356206.pdf 0 433.8 KB Publisher’s postprint open-access - 5.0352362 - ÚI 2011 SE eng A - Abstract
Hnětynková, I. - Plešinger, Martin - Strakoš, Z.
The regularizing effect of the Golub-Kahan iterative bidiagonalization and revealing the noise level in the data.
BIT 50 Conference. Trends in Numerical Mathematics. Lund: BIT foundation, 2010. s. 54-54.
[BIT 50 – Trends in Numerical Mathematics. 17.06.2010-20.06.2010, Lund]
R&D Projects: GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
Keywords : ill-posed problems * noise * Krylov subspace
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0191883 - 6.0329245 - ÚI 2010 FR eng A - Abstract
Jiránek, P. - Strakoš, Zdeněk - Vohralík, M.
A posteriori error estimates and stopping criteria for iterative solvers.
Winter school "New trends in scientific computing". Marseille: Université Paul Cézanne, 2009.
[Winter school "New trends in scientific computing". 09.02.2009-13.02.2009, Marseille]
R&D Projects: GA ČR GP201/09/P464; GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
http://www.latp.univ-mrs.fr/cirm09/semaine2.html
Permanent Link: http://hdl.handle.net/11104/0175334 - 7.0329220 - ÚI 2010 CZ eng A - Abstract
Hnětynková, Iveta - Plešinger, Martin - Strakoš, Zdeněk
The Total Least Squares Problem and Reduction of Data.
Modelling 2009. Ostrava: Institute of Geonics AS CR, 2009 - (Blaheta, R.; Starý, J.). s. 64-65. ISBN 978-80-86407-66-1.
[Modelling 2009. IMACS Conference on Mathematical Modelling and Computational Methods in Applied Sciences and Engineering /4./. 22.06.2009-26.06.2009, Rožnov pod Radhoštěm]
R&D Projects: GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
Permanent Link: http://hdl.handle.net/11104/0175313 - 8.0321397 - ÚI 2009 CZ eng A - Abstract
Duintjer Tebbens, Jurjen - Tůma, Miroslav
Using triangular preconditioner updates in matrix-free implementations.
SNA '09 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2009 - (Blaheta, R.; Starý, J.). s. 90-94. ISBN 978-80-86407-60-9.
[SNA '09 - Seminar on numerical analysis: modelling and simulation of challenging engineering problems. 02.02.2009-06.02.2009, Ostrava]
R&D Projects: GA AV ČR KJB100300703; GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
Keywords : preconditioned iterative methods * sequences of linear algebraic systems * incomplete factorization * factorization updates * matrix-free implementation
http://www.ugn.cas.cz/events/2009/sna/sbornik.pdf
Permanent Link: http://hdl.handle.net/11104/0169959 - 9.0321394 - ÚI 2009 CZ eng A - Abstract
Jiránek, Pavel - Rozložník, Miroslav
On a stable variant of Simpler GMRES and GCR.
SNA '09 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2009 - (Blaheta, R.; Starý, J.). s. 55-59. ISBN 978-80-86407-60-9.
[SNA '09 - Seminar on numerical analysis: modelling and simulation of challenging engineering problems. 02.02.2009-06.02.2009, Ostrava]
R&D Projects: GA AV ČR IAA100300802
Grant - others:???? ?????201/09/P464
Institutional research plan: CEZ:AV0Z10300504
Keywords : Krylov subspace methods * residual minimizing methods * numerical stability * maximum attainable accuracy
http://www.ugn.cas.cz/events/2009/sna/sbornik.pdf
Permanent Link: http://hdl.handle.net/11104/0169956 - 10.0321393 - ÚI 2009 CZ eng A - Abstract
Hnětynková, Iveta - Plešinger, Martin - Strakoš, Zdeněk
On the Golub-Kahan iterative bidiagonalization and revealing the size of the noise in a data.
SNA '09 - Seminar on Numerical Analysis & Winter School. Ostrava: Institute of Geonics AS CR, 2009 - (Blaheta, R.; Starý, J.). s. 45-45. ISBN 978-80-86407-60-9.
[SNA '09 - Seminar on numerical analysis: modelling and simulation of challenging engineering problems. 02.02.2009-06.02.2009, Ostrava]
R&D Projects: GA AV ČR IAA100300802
Institutional research plan: CEZ:AV0Z10300504
http://www.ugn.cas.cz/events/2009/sna/sbornik.pdf
Permanent Link: http://hdl.handle.net/11104/0169955