About: Projector preconditioning for partially bound-constrained quadratic optimization

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Preconditioning by a conjugate projector is combined with the recently proposed modified proportioning with reduced gradient projection (MPRGP) algorithm for the solution of bound-constrained quadratic programming problems. If applied to the partially bound-constrained problems, such as those arising from the application of FETI-based domain decomposition methods to the discretized elliptic boundary variational inequalities, the resulting algorithm is shown to have better bound on the rate of convergence than the original MPRGP algorithm. The performance of the algorithm is illustrated on the solution of a model boundary variational inequality. Preconditioning by a conjugate projector is combined with the recently proposed modified proportioning with reduced gradient projection (MPRGP) algorithm for the solution of bound-constrained quadratic programming problems. If applied to the partially bound-constrained problems, such as those arising from the application of FETI-based domain decomposition methods to the discretized elliptic boundary variational inequalities, the resulting algorithm is shown to have better bound on the rate of convergence than the original MPRGP algorithm. The performance of the algorithm is illustrated on the solution of a model boundary variational inequality. (en)
Title	Projector preconditioning for partially bound-constrained quadratic optimization Projector preconditioning for partially bound-constrained quadratic optimization (en)
skos:prefLabel	Projector preconditioning for partially bound-constrained quadratic optimization Projector preconditioning for partially bound-constrained quadratic optimization (en)
skos:notation	RIV/61989100:27240/07:10224348!RIV12-GA0-27240___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(1ET400300415), P(GA201/07/0294), S, Z(MSM6198910027)
http://linked.open...iv/cisloPeriodika	10
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Dostál, Zdeněk Domorádová, Marta
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola báňská - Technická univerzita Ostrava / Fakulta elektrotechniky a informatiky
http://linked.open...dnocenehoVysledku	445205
http://linked.open...ai/riv/idVysledku	RIV/61989100:27240/07:10224348
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	preconditioning; boundary variational inequalities; bound constraints; quadratic programming (en)
http://linked.open.../riv/klicoveSlovo	preconditioning bound constraints quadratic programming boundary variational inequalities
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[BFC80BA0EC2B]
http://linked.open...i/riv/nazevZdroje	Numerical Linear Algebra with Applications
http://linked.open...in/vavai/riv/obor	BA
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Modelling and simulation of complex technical problems:effective numerical algorithms and parallel implementation using new information technologie Qualitative analysis of contact problems with friction and asymptotically optimal algorithms for their solution
http://linked.open...UplatneniVysledku	2007
http://linked.open...v/svazekPeriodika	14
http://linked.open...iv/tvurceVysledku	Dostál, Zdeněk Domorádová, Marta
http://linked.open...ain/vavai/riv/wos	000251861300003
http://linked.open...n/vavai/riv/zamer	Výpočetně náročné počítačové simulace a optimalizace
issn	1070-5325
number of pages	16 (xsd:int)
http://bibframe.org/vocab/doi	10.1002/nla.555
http://localhost/t...ganizacniJednotka	27240
is http://linked.open...avai/riv/vysledek of	Projector preconditioning for partially bound-constrained quadratic optimization

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