Please use this identifier to cite or link to this item:
https://hdl.handle.net/20.500.14279/2005| DC Field | Value | Language |
|---|---|---|
| dc.contributor.author | Yanev, Petko I. | - |
| dc.contributor.author | Kontoghiorghes, Erricos John | - |
| dc.contributor.other | Κοντογιώργης, Έρρικος Γιάννης | - |
| dc.date.accessioned | 2013-01-30T13:36:45Z | en |
| dc.date.accessioned | 2013-05-16T08:22:27Z | - |
| dc.date.accessioned | 2015-12-02T09:33:03Z | - |
| dc.date.available | 2013-01-30T13:36:45Z | en |
| dc.date.available | 2013-05-16T08:22:27Z | - |
| dc.date.available | 2015-12-02T09:33:03Z | - |
| dc.date.issued | 2004-04 | - |
| dc.identifier.citation | Applied Numerical Mathematics, 2004, vol. 49, no. 1, pp. 3-15 | en_US |
| dc.identifier.issn | 01689274 | - |
| dc.identifier.uri | https://hdl.handle.net/20.500.14279/2005 | - |
| dc.description.abstract | Five 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.format | en_US | |
| dc.language.iso | en | en_US |
| dc.relation.ispartof | Applied Numerical Mathematics | en_US |
| dc.rights | © Elsevier | en_US |
| dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/us/ | * |
| dc.subject | Least squares | en_US |
| dc.subject | Algorithms | en_US |
| dc.subject | Computational complexity | en_US |
| dc.title | Efficient algorithms for block downdating of least squares solutions | en_US |
| dc.type | Article | en_US |
| dc.collaboration | Université de Neuchâtel | en_US |
| dc.subject.category | Computer and Information Sciences | en_US |
| dc.journals | Subscription | en_US |
| dc.country | Greece | en_US |
| dc.subject.field | Natural Sciences | en_US |
| dc.publication | Peer Reviewed | en_US |
| dc.identifier.doi | 10.1016/j.apnum.2003.11.009 | en_US |
| dc.dept.handle | 123456789/54 | en |
| dc.relation.issue | 1 | en_US |
| dc.relation.volume | 49 | en_US |
| cut.common.academicyear | 2003-2004 | en_US |
| dc.identifier.spage | 3 | en_US |
| dc.identifier.epage | 15 | en_US |
| item.cerifentitytype | Publications | - |
| item.openairetype | article | - |
| item.fulltext | No Fulltext | - |
| item.grantfulltext | none | - |
| item.languageiso639-1 | en | - |
| item.openairecristype | http://purl.org/coar/resource_type/c_6501 | - |
| crisitem.journal.journalissn | 0168-9274 | - |
| crisitem.journal.publisher | Elsevier | - |
| crisitem.author.dept | Department of Finance, Accounting and Management Science | - |
| crisitem.author.faculty | Faculty of Tourism Management, Hospitality and Entrepreneurship | - |
| crisitem.author.orcid | 0000-0001-9704-9510 | - |
| crisitem.author.parentorg | Faculty of Management and Economics | - |
| Appears in Collections: | Άρθρα/Articles | |
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