On the Solution of Symmetrical Linear-Systems by the Preconditioned Conjugate-Gradient Method
| dc.contributor.author | Psimarni, A. | en |
| dc.date.accessioned | 2015-11-24T17:26:54Z | |
| dc.date.available | 2015-11-24T17:26:54Z | |
| dc.identifier.issn | 0020-7160 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/13279 | |
| dc.rights | Default Licence | - |
| dc.subject | symmetrical linear system | en |
| dc.subject | preconditioned gradient method | en |
| dc.subject | relaxed incomplete ll(t) factorization (rill(t)) | en |
| dc.subject | relaxed block incomplete ll(t) factorization (rbill(t)) | en |
| dc.subject | matrix | en |
| dc.title | On the Solution of Symmetrical Linear-Systems by the Preconditioned Conjugate-Gradient Method | en |
| heal.abstract | A class of preconditioning conjugate gradient methods is studied here. These methods are dependent on a relaxation parameter and are used in the solution of large linear system of equations Ax = b, where A is a symmetric positive definite matrix. The relaxed incomplete LL(T) factorization (RILL(T)) and the relaxed block incomplete LL(T) factorization (RBILL(T)) are studied here. Some numerical problems are solved and the optimum parameters values are evaluated. From these results the superiority of these, relative to others known methods, is clear. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.secondary | <Go to ISI>://A1994PP49900011 | - |
| heal.journalName | International Journal of Computer Mathematics | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 1994 | - |
| heal.publisher | Taylor & Francis | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μαθηματικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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