A simple 2D and 3D geometric multigrid solver for poisson equation in python. It uses numpy.
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- Smoother: Two color Gauss-Seidel
- Restriction: Nearest points average
- Prolongation: Multi-linear interpolation
- V cycle and FMG
The examples show V cycle and FMG in action. An example script demonstrates the method of deferred correction to obtain 4th order accuracy.