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Multigrid documentation #171

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Multigrid documentation #171

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sunqm
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@sunqm sunqm commented Aug 3, 2025

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@tberkel tberkel left a comment

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Other than a suggestion and a few typos, looks good to me.

evaluation functions offered by the `numint` module, the Multigrid algorithm
can achieve an order of magnitude improvement in the computation of the Coulomb
matrix and DFT XC matrix.

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Maybe just add 1-2 sentences in the introduction to describe the theory/method underlying multigrid?


With this `Cell` object, we can initialize the DFT instance as we would for
typical PBC DFT calculations. The following example demonstrates another
way to utlize the Multigrid algorithm, whihc integrates
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utlize -> utilize and whihc -> which

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