Hi there,
I have a laplace equation $\nabla ^2 phi =0$ , with boundary conditions
$$\phi (x=\pm a, y=0)=\pm U/2$$ $$\phi (x=\pm \infty, y=\pm \infty) = 0$$
How would I solve that in Mathematica? I tried to use DSolve Second Order PDEs but I don't quite understand it.. :/