, Iterative solution of large sparse systems of equations, Springer-Verlag, Berlin, Germany, 1994. Home/Search Document Not in Database Summary Related Articles Check |
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ML 2.0 Smoothed Aggregation User's Guide - Hu, al. (2000) (Correct)
....user application, and speci c examples for creating matrices within ML . The remaining sections discuss di erent multigrid options and some details associated with using ML in conjunction with other solver packages. 2 Multigrid background A brief multigrid description is given (see [1] 2] or [3] for more information) A multigrid solver tries to approximate the original PDE problem of interest on a hierarchy of grids and use solutions from coarse grids to accelerate the convergence on the nest grid. A simple multilevel iteration is illustrated in Figure 1. In the above method, the ....
....p[ int out length, double ap[ int i, proc, itemp; double new p[5] itemp = int ) A data; proc = itemp; for (i = 0; i in length; i ) new p[i] p[i] Poisson comm(new p, A data) for (i = 0; i out length; i ) ap[i] 2. new p[i] 12 ap[0] new p[2] ap[1] new p[3]; if (proc = 1) ap[0] new p[1] ap[0] new p[4] ap[1] new p[2] ap[1] new p[0] ap[2] new p[3] ap[2] new p[1] return 0; int Poisson comm(double x[ void A data) int proc, neighbor, length, itemp; double send buffer[2] recv buffer[2] itemp = int ) ....
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, Iterative Solution of Large Sparse Linear Systems of Equations, Springer-Verlag, Berlin, 1994.
Two Grid Iteration With A Conjugate Gradient Smoother.. - Hagger, Cliffe, Spence (Correct)
....that are based on matrix vector multiplications. This leads to the four choices: Richardson iteration, gradient method, conjugate gradient method and conjugate residual method. For each of these methods a diagonal preconditioning is also applied. For more details on these iterative methods see [8, 11]. In order to understand the convergence properties of stationary smoothers it is common to examine the reduction on each eigenmode, or frequency, of the error, see Hackbusch[10, x2.4] For example, the following simple analysis gives the best choice of damping for the Richardson method. Define ....
, Iterative Solution of Large Sparse Systems of Equations, Springer-Verlag, 1994.
Mattias Grundelius - Lund Till Andrea Self-citation (Control) (Correct)
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: Iterative Learning Control for Deterministic Systems. Springer Verlag. Mrtensson, K.
Adaptive Multilevel Finite Element Solution of the.. - Holst, Baker, Wang (2000) (Correct)
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, Iterative solution of large sparse systems of equations, Springer-Verlag, Berlin, Germany, 1994.
Two Grid Iteration With A Conjugate Gradient - Smoother Applied To (Correct)
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, Iterative Solution of Large Sparse Systems of Equations, Springer-Verlag, 1994.
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