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Míka, Stanislav ; Vaněk, Petr
A modification of the two-level algorithm with overcorrection. (English). Applications of Mathematics, vol. 37 (1992), issue 1, pp. 13-28
MSC: 65F10, 65N55 | MR 1152154 | Zbl 0753.65028 | DOI: 10.21136/AM.1992.104488
Keywords:
two-level algorithm; overcorrection; multigrid algorithm; convergence; efficiency
Summary:
In this paper we analyse an algorithm which is a modification of the so-called two-level algorithm with overcorrection, published in [2]. We illustrate the efficiency of this algorithm by a model example.
References:
[1] R. Blaheta: A multilevel method with correction by aggregation for solving discrete elliptic problems. Apl. Mat. 31 (1986), 365-378. MR 0863032
[2] R. Blaheta: Iterative methods for numerical solving of the boundary value problems of elasticity. Thesis, Ostrava, 1987.
[3] S. Míka P. Vaněk: The acceleration of a two-level algebraic algorithm by aggregation in smoothing process. Appl. Mat., to appear.
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