Can I use Poisson equation or any equation with desired parameters in PDE Toolbox using Rectangular shape?

I need to use Poisson equation to describe the charge density distribution in a rectangular shape. So, I wonder if it is possible to do it.

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∇^2 V= -ρ/ε

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Thanks in advance.

Answer 1

[Bill Greene]

Take a look at this example:

http://www.mathworks.com/help/pde/ug/electrostatics.html

Bill