Question: Use Poisson's equation to compute the electric potential over a unit square (1 1) plate with zero voltage at the edges and point charge

Use Poisson's equation to compute the electric potential over a unit square (1 × 1) plate with zero voltage at the edges and point charge sources of ρv/ε (0.7, 0.7) = 1 and pv/ε (0.3, 0.3) = -1. Employ Δx = Δy = 0.1 and display your results as a contour plot.

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