Abstract
In this chapter, we describe a matrix-based multigrid method that uses semicoarsening, namely, the coarse grid is the subgrid obtained by dropping every other line from the original uniform grid. We show that this method may be considered a combination of the line-ILU method and domain decomposition.
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© 2003 Springer Science+Business Media New York
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Shapira, Y. (2003). Matrix-Based Semicoarsening Method. In: Matrix-Based Multigrid. Numerical Methods and Algorithms, vol 2. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-3726-4_9
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DOI: https://doi.org/10.1007/978-1-4757-3726-4_9
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-3728-8
Online ISBN: 978-1-4757-3726-4
eBook Packages: Springer Book Archive