Introduction to the Octopus code - TDDFT.org
Introduction to the Octopus code - TDDFT.org
Introduction to the Octopus code - TDDFT.org
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Real space grid<br />
Partial Differential Equation: infinite degrees of freedom.<br />
Reduce it <strong>to</strong> a finite number.<br />
Functions are represented by its value over a set of points.<br />
Point distribution:<br />
Uniform space grid.<br />
Distance between points is constant: Spacing.<br />
Non-uniform grids.<br />
Finite region of <strong>the</strong> space: Box<br />
X. Andrade (EHU/UPV) <strong>Introduction</strong> <strong>to</strong> Oc<strong>to</strong>pus Benasque, September 2008 5 / 20
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