Název:
Robust Preconditioners for the Matrix Free Truncated Newton Method
Autoři:
Lukšan, Ladislav ; Matonoha, Ctirad ; Vlček, Jan Typ dokumentu: Příspěvky z konference Konference/Akce: Programs and Algorithms of Numerical Mathematics /15./, Dolní Maxov (CZ), 2010-06-06 / 2010-06-11
Rok:
2010
Jazyk:
eng
Abstrakt: New positive definite preconditioners for the matrix free truncated Newton method are given. Corresponding algorithms are described in detail. Results of numerical experiments that confirm the efficiency and robustness of the preconditioned truncated Newton method are reported.
Klíčová slova:
matrix-free mehods; Newton method; optimization; preconditioning Číslo projektu: CEZ:AV0Z10300504 (CEP), GA201/09/1957 (CEP) Poskytovatel projektu: GA ČR Zdrojový dokument: Programs and Algorithms of Numerical Mathematics, ISBN 978-80-85823-57-8