Search results | The Czech Academy of Sciences

Records found: 25

Your query: Keywords = "computational experiments"

To the basket
Bookmark
1.
0405605 - UIVT-O 330987 SIGLE CZ eng V - Research Report
Lukšan, Ladislav - Matonoha, Ctirad - Vlček, Jan
Trust-Region Interior-Point Method for Large Sparse l1 Optimization.
Prague: ICS AS CR, 2005. 18 s. Technical Report, V-942.
R&D Projects: GA AV ČR IAA1030405
Institutional research plan: CEZ:AV0Z10300504
Keywords : unconstrained optimization * large-scale optimization * nonsmooth optimization * minimax optimization * interior-point methods * modified Newton methods * computational experiments
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0125755
File Download Size Commentary Version Access

v942-05.pdf 23 205.7 KB Other open-access
To the basket
Bookmark
2.
0405594 - UIVT-O 330974 SIGLE CZ eng V - Research Report
Lukšan, Ladislav - Matonoha, Ctirad - Vlček, Jan
Primal Interior-Point Method for Large Sparse Minimax Optimization.
Prague: ICS AS CR, 2005. 25 s. Technical Report, V-941.
R&D Projects: GA AV ČR IAA1030405
Institutional research plan: CEZ:AV0Z10300504
Keywords : unconstrained optimization * large-scale optimization * nonsmooth optimization * minimax optimization * interior-point methods * modified Newton methods * computational experiments
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0125748
File Download Size Commentary Version Access

v941-05.pdf 31 256.3 KB Other open-access
To the basket
Bookmark
3.
0405435 - UIVT-O 330810 SIGLE CZ eng V - Research Report
Lukšan, Ladislav - Vlček, Jan
Variable Metric Method for Minimization of Partially Separable Nonsmooth Functions.
Prague: ICS AS CR, 2005. 12 s. Technical Report, V-916.
R&D Projects: GA AV ČR IAA1030405
Institutional research plan: CEZ:AV0Z10300504
Keywords : unconstrained optimization * large-scale optimization * nonsmooth optimization * bundle-type methods * variable metric methods * nonlinear least squares * partially separable problems * computational experiments
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0125601
File Download Size Commentary Version Access

v916-05.pdf 21 160.4 KB Other open-access
To the basket
Bookmark
4.
0404490 - UIVT-O 20010145 IT eng V - Research Report
Bodon, E. - Lukšan, Ladislav - Spedicato, E.
Numerical Performance of ABS Codes for Nonlinear Least Squares.
Bergamo: Universita degli Studi di Bergamo, 2001. 18 s. Technical Report, DMSIA 2001/27.
R&D Projects: GA ČR GA201/00/0080
Institutional research plan: AV0Z1030915
Keywords : nonlinear least squares * algorithms * test problems * ABS methods * computational experiments
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0124743
File Download Size Commentary Version Access

0404490.pdf 0 288.1 KB Other open-access
To the basket
Bookmark
5.
0404489 - UIVT-O 20010144 IT eng V - Research Report
Bodon, E. - Lukšan, Ladislav - Spedicato, E.
Computational Experiments with Conjugate Type ABS Algorithms.
Bergamo: Universita degli Studi di Bergamo, 2001. 13 s. Technical Report, DMSIA 2001/26.
R&D Projects: GA ČR GA201/00/0080
Institutional research plan: AV0Z1030915
Keywords : linear equations * ABS methods * conjugate type algorithms * computational experiments
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0124742
To the basket
DOI
WOS
SCOPUS
Bookmark
6.
0404487 - UIVT-O 20010142 RIV US eng J - Journal Article
Lukšan, Ladislav - Vlček, Jan
Numerical Experience with Iterative Methods for Equality Constrained Nonlinear Programming Problems.
Optimization Methods & Software. Roč. 16, č. 1-4 (2001), s. 257-287. ISSN 1055-6788. E-ISSN 1029-4937
R&D Projects: GA ČR GA201/00/0080
Institutional research plan: AV0Z1030915
Keywords : nonlinear equations * sparse problems * equality constraints * inexact Newton method * line search methods * indefinite systems * indefinite preconditioners * symmetric Krylov subspace methods * residual smoothing * computational experiments
Subject RIV: BB - Applied Statistics, Operational Research
Impact factor: 0.623, year: 2001
Permanent Link: http://hdl.handle.net/11104/0124740
To the basket
Bookmark
7.
0404259 - UIVT-O 20010082 CZ eng V - Research Report
Lukšan, Ladislav - Vlček, Jan
Variable Metric Methods for Nonsmooth Optimization.
Prague: ICS AS CR, 2001. 9 s. Technical Report, V-837.
R&D Projects: GA ČR GA201/00/0080
Institutional research plan: AV0Z1030915
Keywords : nonsmooth optimization * bundle methods * variable metric methods * computational experiments
Subject RIV: BA - General Mathematics
Permanent Link: http://hdl.handle.net/11104/0124522
File Download Size Commentary Version Access

v837-01.pdf 29 204.6 KB Other open-access
To the basket
Bookmark
8.
0404051 - UIVT-O 20000185 CZ eng V - Research Report
Lukšan, Ladislav - Vlček, Jan
Numerical Experience with Iterative Methods for Equality Constrained Nonlinear Programming Problems.
Prague: ICS AS CR, 2000. 28 s. Technical Report, V-779.
R&D Projects: GA ČR GA201/00/0080
Institutional research plan: AV0Z1030915
Keywords : nonlinear programming * sparse problems * equality constraints * inexact Newton method * line search methods * trust region methods * indefinite systems * indefinite preconditioners * symmetric Krylov subspace methods * residual smoothing * computational experiments
Permanent Link: http://hdl.handle.net/11104/0124329
File Download Size Commentary Version Access

v779-99.pdf 31 272.8 KB Other open-access
To the basket
DOI
WOS
SCOPUS
Bookmark
9.
0402794 - UIVT-O 980003 RIV US eng J - Journal Article
Lukšan, Ladislav - Vlček, Jan
Computational Experience with Globally Convergent Descent Methods for Large Sparse Systems of Nonlinear Equations.
Optimization Methods & Software. Roč. 8, č. 3-4 (1998), s. 201-223. ISSN 1055-6788. E-ISSN 1029-4937
R&D Projects: GA ČR GA201/96/0918
Keywords : nonlinear equations * Armijo-type descent methods * Newton-like methods * truncated methods * global convergence * nonsymmetric linear systems * conjugate gradient-type methods * residual smoothing * computational experiments
Subject RIV: BB - Applied Statistics, Operational Research
Permanent Link: http://hdl.handle.net/11104/0123176
To the basket
Bookmark
10.
0402793 - UIVT-O 960098 CZ eng V - Research Report
Lukšan, Ladislav - Vlček, Jan
Computational Experience with Globally Convergent Descent Methods for Large Sparse Systems of Nonlinear Equations.
Prague: ICS AS CR, 1996. 19 s. Technical Report, V-668.
R&D Projects: GA ČR GA201/96/0918
Keywords : nonlinear equations * Armijo-type descent methods * Newton-like methods * truncated methods * global convergence * nonsymmetric linear systems * conjugate gradient-type methods * residual smoothing * computational experiments
Permanent Link: http://hdl.handle.net/11104/0123175
File Download Size Commentary Version Access

v668-96.pdf 28 231 KB Other open-access