Multi-grid methods belongs to the class of fastest iterations, because their convergence rate is independent of the step size h. Furthermore, their applicability does not require symmetry or positive definiteness, as, e.g., the standard conjugate gradient methods.
CITATION STYLE
Hackbusch, W. (1994). Multi-Grid Methods (pp. 296–366). https://doi.org/10.1007/978-1-4612-4288-8_10
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