New answers tagged iterative-method
2
Separately, but it does depend. Not very strongly, however: A very large number of pre- and post-smoothing steps only improves the convergence rate a little bit over a large number of steps. The difference is most between using one, two, or three pre- and post-smoothing steps.
And you need both pre- and post-smoothing steps. You cannot compensate for no pre-...
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