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/* The Analogy between Thermal and Electrostatic Equations */
Let us now compare the steady-state thermal Poisson equation to the electrostatic Poisson equation:
<math> \nabla^2 T(\mathbf{r}) = - \frac{w(\mathbf{r})}{k} \quad \Rightarrow leftrightarrow \quad \nabla^2 \Phi(\mathbf{r}) = -\frac{\rho(\mathbf{r})}{\epsilon} </math>
| style="width:200px;" | Volume Heat Source
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== The Finite Difference Technique ==
