Search results
- 1.0504548 - ÚI 2020 RIV CZ eng C - Conference Paper (international conference)
Vlček, Jan - Lukšan, Ladislav
Application of the Infinitely Many Times Repeated BNS Update and Conjugate Directions to Limited-Memory Optimization Methods.
Programs and Algorithms of Numerical Mathematics 19. Prague: Institute of Mathematics of the Czech Academy of Sciences, 2019 - (Chleboun, J.; Kůs, P.; Přikryl, P.; Rozložník, M.; Segeth, K.; Šístek, J.; Vejchodský, T.), s. 177-185. ISBN 978-80-85823-69-1.
[Programs and Algorithms of Numerical Mathematics /19./. Hejnice (CZ), 24.06.2018-29.06.2018]
Institutional support: RVO:67985807
Keywords : unconstrained minimization * limited-memory variable metric methods * the repeated Byrd-Nocedal-Schnabel update * the Lyapunov matrix equation * the conjugate directions * global convergence * numerical results
OECD category: Applied mathematics
Permanent Link: http://hdl.handle.net/11104/0296152File Download Size Commentary Version Access 0504548-a.pdf 3 377.8 KB Publisher’s postprint require - 2.0497192 - ÚI 2020 RIV CZ eng C - Conference Paper (international conference)
Lukšan, Ladislav - Vlček, Jan
A Hybrid Method for Nonlinear Least Squares that Uses Quasi-Newton Updates Applied to an Approximation of the Jacobian Matrix.
Programs and Algorithms of Numerical Mathematics 19. Prague: Institute of Mathematics of the Czech Academy of Sciences, 2019 - (Chleboun, J.; Kůs, P.; Přikryl, P.; Rozložník, M.; Segeth, K.; Šístek, J.; Vejchodský, T.), s. 99-106. ISBN 978-80-85823-69-1.
[Programs and Algorithms of Numerical Mathematics /19./. Hejnice (CZ), 24.06.2018-29.06.2018]
Institutional support: RVO:67985807
Keywords : nonlinear least squares * hybrid methods * trust-region methods * quasi-Newton methods * numerical algorithms * numerical experiments
OECD category: Applied mathematics
Permanent Link: http://hdl.handle.net/11104/0289769File Download Size Commentary Version Access 0497192a.pdf 3 103.1 KB Publisher’s postprint require - 3.0476437 - ÚI 2018 RIV CZ eng C - Conference Paper (international conference)
Vlček, Jan - Lukšan, Ladislav
A Generalized Limited-Memory BNS Method Based on the Block BFGS Update.
Programs and algorithms of numerical mathematics 18. Prague: Institute of Mathematics CAS, 2017 - (Chleboun, J.; Kůs, P.; Přikryl, P.; Segeth, K.; Šístek, J.; Vejchodský, T.), s. 164-171. ISBN 978-80-85823-67-7.
[Programs and Algorithms of Numerical Mathematics /18./. Janov nad Nisou (CZ), 19.06.2016-24.06.2016]
R&D Projects: GA ČR GA13-06684S
Institutional support: RVO:67985807
Keywords : unconstrained minimization * block variable metric methods * limited-memory methods * the BFGS update * global convergence * numerical results
OECD category: Applied mathematics
http://dml.cz/handle/10338.dmlcz/703010
Permanent Link: http://hdl.handle.net/11104/0272937File Download Size Commentary Version Access PANM_18-2016-1_22.pdf 4 254 KB Publisher’s postprint open-access - 4.0444129 - ÚI 2016 RIV CZ eng C - Conference Paper (international conference)
Vlček, Jan - Lukšan, Ladislav
A Modified Limited-Memory BNS Method for Unconstrained Minimization Derived from the Conjugate Directions Idea.
Programs and algorithms of numerical mathematics 17. Proceedings of seminar. Praha: Matematický ústav AV ČR, v.v.i, 2015 - (Chleboun, J.; Přikryl, P.; Segeth, K.; Šístek, J.; Vejchodský, T.), s. 237-243. ISBN 978-80-85823-64-6.
[Programs and Algorithms of Numerical Mathematics /17./. Dolní Maxov (CZ), 08.06.2014-13.06.2014]
R&D Projects: GA ČR GA13-06684S
Institutional support: RVO:67985807
Keywords : large scale unconstrained optimization * numerical experiments * limited-memory variable metric method * BNS method * quasi-Newton method * convergence
Subject RIV: BA - General Mathematics
http://dml.cz/handle/10338.dmlcz/702689
Permanent Link: http://hdl.handle.net/11104/0246707File Download Size Commentary Version Access PANM_17-2014-1_37.pdf 3 206.2 KB Publisher’s postprint open-access - 5.0444128 - ÚI 2016 RIV CZ eng C - Conference Paper (international conference)
Lukšan, Ladislav - Vlček, Jan
Nonlinear Conjugate Gradient Methods.
Programs and algorithms of numerical mathematics 17. Proceedings of seminar. Praha: Matematický ústav AV ČR, v.v.i, 2015 - (Chleboun, J.; Přikryl, P.; Segeth, K.; Šístek, J.; Vejchodský, T.), s. 130-135. ISBN 978-80-85823-64-6.
[Programs and Algorithms of Numerical Mathematics /17./. Dolní Maxov (CZ), 08.06.2014-13.06.2014]
Institutional support: RVO:67985807
Keywords : minimization * nonlinear conjugate gradient methods * comparison of methods * efficiency of methods
Subject RIV: BA - General Mathematics
http://dml.cz/handle/10338.dmlcz/702674
Permanent Link: http://hdl.handle.net/11104/0246706File Download Size Commentary Version Access PANM_17-2014-1_22.pdf 8 173.2 KB Publisher’s postprint open-access - 6.0404921 - UIVT-O 20030205 RIV CZ cze C - Conference Paper (international conference)
Lukšan, Ladislav - Vlček, Jan - Tůma, Miroslav
Programový systém pro univerzální funkcionální optimalizaci.
[Software System for Universal Functional Optimization.]
Aplikace numerických metod v problematice podzemního skladování zemního plynu a v ložiskovém inženýrství. Praha: Český plynárenský svaz, 2003, nestr.
[Aplikace numerických metod v problematice podzemního skladování zemního plynu a v ložiskovém inženýrstvíí. Mezinárodní workshop /2./. Lázně Libverda (CZ), 23.03.2003-25.03.2003]
R&D Projects: GA AV ČR IAA1030103
Institutional research plan: AV0Z1030915
Keywords : optimization * large and sparse problems * variable-metric methods
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0125142 - 7.0404131 - UIVT-O 20000234 RIV CZ eng C - Conference Paper (international conference)
Lukšan, Ladislav - Vlček, Jan
Preconditioning of Saddle Point Systems.
Proceedings of the 1st International Workshop on Simulation, Modelling, and Numerical Analysis. Liberec: Technická univerzita, 2000 - (Maryška, J.; Tůma, M.; Šembera, J.), s. 83-92. ISBN 80-7083-451-X.
[SIMONA 2000. Liberec (CZ), 04.09.2000-06.09.2000]
R&D Projects: GA ČR GA201/00/0080
Institutional research plan: AV0Z1030915
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0124400 - 8.0403741 - UIVT-O 20000027 RIV CZ eng C - Conference Paper (international conference)
Vlček, Jan - Lukšan, Ladislav
Variable Metric Method for Nonconvex Nonsmooth Unconstrained Minimization.
Proceedings of the XIIIth summer school software and algorithms of numerical mathematics. Plzeň: University of West Bohemia, 1999, s. 321-326. ISBN 80-7082-566-9.
[SANM'99. Summer School on Software and Algorithms of Numerical Mathematics /13./. Nečtiny (CZ), 06.09.1999-10.09.1999]
R&D Projects: GA AV ČR IAA2030706
Institutional research plan: AV0Z1030915
Keywords : nonsmooth minimization * nonconvex minimization * numerical methods * variable metric methods * global convergence
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0124034 - 9.0403740 - UIVT-O 20000026 RIV CZ eng C - Conference Paper (international conference)
Lukšan, Ladislav - Vlček, Jan
Conjugate Gradient Methods for Saddle Point Systems.
Proceedings of the XIIIth summer school software and algorithms of numerical mathematics. Plzeň: University of West Bohemia, 1999, s. 223-230. ISBN 80-7082-566-9.
[SANM'99. Summer School on Software and Algorithms of Numerical Mathematics /13./. Nečtiny (CZ), 06.09.1999-10.09.1999]
R&D Projects: GA AV ČR IAA2030706
Institutional research plan: AV0Z1030915
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0124033 - 10.0402815 - UIVT-O 970012 CZ eng C - Conference Paper (international conference)
Lukšan, Ladislav - Vlček, Jan
Globally Convergent Methods with Inexact Jacobians for Systems of Nonlinear Equations.
Proceedings of the Prague Mathematical Conference 1996. Prague: ICARIS, 1996, s. 159-164.
[PMC'96. Prague (CZ), 08.07.1996-12.07.1996]
R&D Projects: GA ČR GA201/93/0429
Keywords : nonlinear equations * Newton-like methods * Armijo-type descent methods * trust region methods * global convergence * preconditioned smoothed CGS method * algorithms
Permanent Link: http://hdl.handle.net/11104/0123191