Scalability of the Poisson solvers - TDDFT.org
Scalability of the Poisson solvers - TDDFT.org
Scalability of the Poisson solvers - TDDFT.org
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Where we go?<br />
Scheme <strong>of</strong> how <strong>the</strong> inclusion<br />
<strong>of</strong> semi-neighbours <strong>of</strong> point<br />
P<br />
• A) Scheme without<br />
semi-neighbours.<br />
• B) considering<br />
semi-neighbours <strong>of</strong><br />
point P<br />
Fast multipole method (II)<br />
A)<br />
B)<br />
C)<br />
L/2<br />
P Error in <strong>the</strong><br />
integral for V<br />
P neighbours<br />
P<br />
P semi-neighbours<br />
point P<br />
charges are equispaced<br />
J. Alberdi-Rodriguez (UPV/EHU) <strong>Poisson</strong> solver in Octopus October 23 17 / 33
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