Temperature in a square plate, Dirichlet conditions. 12 5 0 2.0 2.0 2.0 4.0 3.0 3.0 4.0 2.0 4.0 4.0 1 0.0 0.0 4 6.0 0.0 7 6.0 6.0 10 0.0 6.0 13 0.0 0.0 1 4 300.0 0.0 0.0 4 4 0.0 0.0 0.0 7 4 0.0 0.0 0.0 10 4 300.0 0.0 0.0 13 4 300.0 0.0 0.0