Multi-Grid & FE with Discrepancy Style "Random" Elements

Forums Personal Topics Unbidden Thoughts Multi-Grid & FE with Discrepancy Style "Random" Elements

This topic contains 1 reply, has 1 voice, and was last updated by  josh August 29, 2022 at 3:34 am.

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    josh

    If it is useful, then a practical poin is how to generate good discrepancy. Chazelle describes a set of concepts which are not really algorithms.

    My thought about an effective algorithm would be something like this:

    We keep a running set of queues in the form of a geometric hash for the bins we are trying to fill and use a pseudo-RNG with rejection to add points to the working bins, internally structured as priority queues. When the grid changes, we can mix old & new candidates according to the new priority structure. Priority could be based on rejection (or acceptance) for spectral clusters that we care about in each cubicle.

    Thoughts? Detail?

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