SOR as a preconditioner
| Author(s) : | J. M. Ortega M. A. Delong, |
| Publisher : | N/A |
| Publication Date : | 1995 |
| ISSN : | N/A |
| Abstract : | It is well-known (see, e.g. [2] and [4]) that the use of red/black or multicolor orderings to parallelize SSOR or ILU preconditioning may seriously degrade the rate of convergence of the conjugate gradient method, as compared with the natural, |