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.

EUDML-ID : urn:eudml:doc:271269
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Mots clés:

@article{702752,
     title = {Robust preconditioners for the matrix free truncated Newton method},
     booktitle = {Programs and Algorithms of Numerical Mathematics},
     series = {GDML\_Books},
     publisher = {Institute of Mathematics AS CR},
     address = {Prague},
     year = {2010},
     pages = {137-151},
     url = {http://dml.mathdoc.fr/item/702752}
}

Lukšan, Ladislav; Matonoha, Ctirad; Vlček, Jan. Robust preconditioners for the matrix free truncated Newton method, dans Programs and Algorithms of Numerical Mathematics, GDML_Books,  (2010), pp. 137-151. http://gdmltest.u-ga.fr/item/702752/