Setting | Equation | Boundary condition | Selection rule | ||
Set I | Poisson | f(x,y) = 1 | Dirichlet | u = 0 | MAX |
Set II | Laplace | f(x,y) = 0 | Dirichlet | u = 1 | MIN |
Set III | Poisson | f(x,y) = 1 | Neumann | ∂u/∂n = 0 | MAX |