Basic HTML version of Foils prepared Oct 26,97

Foil 20 3 Approximations to Force on a Particle in Fast Multipole Approach

From Master Set of Foils for GEM Computational Science Presentation GEM Workshop Santa Fe -- October 24-25 1997. by Geoffrey C. Fox


1)Simple Direct Sum over all particles in region
2)Just Single Centroid Contribution
3)Open up region into 8 cells and use centroid of each cell



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