Multigrid solution to Poisson's equation
Multigrid solution to Poisson’s equation
This shows the mutligrid solution to Poisson’s equation. The upper left shows the solution (or error for the residual equation) as it is computed in the MG algorithm. The solution is smoothed a bit, then restricted down to a coarser level, until we reach the coarsest possible. The bottom solver is simply smoothing. After this, the…
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