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25.22.3 Modifying Algebraic Multigrid Parameters

The default algebraic multigrid settings are appropriate for nearly all problems, but in rare cases you may need to make minor adjustments. Section  25.11 describes how to analyze the multigrid solver's performance to determine which parameters should be modified. It also provides examples of suggested settings for particular types of problems and explains how to set the multigrid parameters.


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Up: 25.22 Convergence and Stability
Next: 25.22.4 Modifying the Multi-Stage
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