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Πεδίο DCΤιμήΓλώσσα
dc.contributor.authorYanev, Petko I.-
dc.contributor.authorKontoghiorghes, Erricos John-
dc.contributor.otherΚοντογιώργης, Έρρικος Γιάννης-
dc.date.accessioned2013-01-30T13:36:45Zen
dc.date.accessioned2013-05-16T08:22:27Z-
dc.date.accessioned2015-12-02T09:33:03Z-
dc.date.available2013-01-30T13:36:45Zen
dc.date.available2013-05-16T08:22:27Z-
dc.date.available2015-12-02T09:33:03Z-
dc.date.issued2004-04-
dc.identifier.citationApplied Numerical Mathematics, 2004, vol. 49, no. 1, pp. 3-15en_US
dc.identifier.issn01689274-
dc.identifier.urihttps://hdl.handle.net/20.500.14279/2005-
dc.description.abstractFive computationally efficient algorithms for block downdating of the least squares solutions are proposed. The algorithms are block versions of Givens rotations strategies and are rich in BLAS-3 operations. They efficiently exploit the triangular structure of the matrices. The theoretical complexities of the algorithms are derived and analyzed. The performance of the implementations confirms the theoretical results. The new strategies are found to outperform existing downdating methods.en_US
dc.formatpdfen_US
dc.language.isoenen_US
dc.relation.ispartofApplied Numerical Mathematicsen_US
dc.rights© Elsevieren_US
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/us/*
dc.subjectLeast squaresen_US
dc.subjectAlgorithmsen_US
dc.subjectComputational complexityen_US
dc.titleEfficient algorithms for block downdating of least squares solutionsen_US
dc.typeArticleen_US
dc.collaborationUniversité de Neuchâtelen_US
dc.subject.categoryComputer and Information Sciencesen_US
dc.journalsSubscriptionen_US
dc.countryGreeceen_US
dc.subject.fieldNatural Sciencesen_US
dc.publicationPeer Revieweden_US
dc.identifier.doi10.1016/j.apnum.2003.11.009en_US
dc.dept.handle123456789/54en
dc.relation.issue1en_US
dc.relation.volume49en_US
cut.common.academicyear2003-2004en_US
dc.identifier.spage3en_US
dc.identifier.epage15en_US
item.fulltextNo Fulltext-
item.languageiso639-1en-
item.grantfulltextnone-
item.openairecristypehttp://purl.org/coar/resource_type/c_6501-
item.cerifentitytypePublications-
item.openairetypearticle-
crisitem.journal.journalissn0168-9274-
crisitem.journal.publisherElsevier-
crisitem.author.deptDepartment of Finance, Accounting and Management Science-
crisitem.author.facultyFaculty of Tourism Management, Hospitality and Entrepreneurship-
crisitem.author.orcid0000-0001-9704-9510-
crisitem.author.parentorgFaculty of Management and Economics-
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