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Institutional Repository [SANDBOX]
Technical University of Crete
Technical University of Crete
EN
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EL
| URI | http://purl.tuc.gr/dl/dias/3304864E-D411-4120-B707-2A2BC5913DCA | - |
| Identifier | http://www.researchgate.net/profile/Yiannis_Saridakis/publication/255575071_Preconditioning_for_solving_Hermite_Collocation_by_the_Bi-CGSTAB/links/544dc44d0cf2bcc9b1d8f2f4.pdf | - |
| Language | en | - |
| Extent | 6 pages | en |
| Title | Preconditioning for solving Hermite collocation by the Bi-CGSTAB | en |
| Creator | Mathioudakis Emmanouil | en |
| Creator | Μαθιουδακης Εμμανουηλ | el |
| Creator | Saridakis Ioannis | en |
| Creator | Σαριδακης Ιωαννης | el |
| Creator | Papadopoulou Eleni | en |
| Creator | Παπαδοπουλου Ελενη | el |
| Content Summary | Explicit pre/post conditioning of the large, sparse and non-symmetric system of equations, arising from the discretization of the Dirichlet Poisson’s Boundary Value Problem (BVP) by the Hermite Collocation method is the problem considered herein. Using the 2-cyclic (red-black) structure of the Collocation coefficient matrix, we investigate the eigenvalue distribution of its preconditioned analogs emerging from its red-black USSOR (UnSymmet- ric SOR) splittings. This analysis, coupled with computational efficiency issues, enables us to justify the choice of Gauss-Seidel (GS) preconditioned schemes as efficient and practical ones, when they used to accelerate the rate of convergence of the Bi-CGSTAB iterative Krylov subspace method. Our results are verified by numerical experiments. | en |
| Type of Item | Peer-Reviewed Journal Publication | en |
| Type of Item | Δημοσίευση σε Περιοδικό με Κριτές | el |
| License | http://creativecommons.org/licenses/by/4.0/ | en |
| Date of Item | 2015-10-29 | - |
| Date of Publication | 2006 | - |
| Subject | Computing | en |
| Bibliographic Citation | Ε.Ν. Mathioudakis, Ε. Ρ. Papadopoulou , Υ. G. Saridakis,.(2006). Preconditioning for solving Hermite Collocation by the Bi-CGSTAB . ACM Transactions on Mathematical Software [online].pp 811-816. Available:http://www.researchgate.net/profile/Yiannis_Saridakis/publication/255575071_Preconditioning_for_solving_Hermite_Collocation_by_the_Bi-CGSTAB/links/544dc44d0cf2bcc9b1d8f2f4.pdf | el |
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