D03EAF Example Program Results Interior Neumann problem Total integral = 16.00 Nodes X Y PHI PHID 1.50 2.00 1.00 0.00 -1.50 2.00 1.00 0.00 0.00 0.00 1.00 0.00 0.00 1.00 1.00 0.00 -1.00 2.00 1.00 0.00 1.00 2.00 1.00 0.00 Selected points X Y PHI 2.00 1.00 1.00 2.50 0.50 1.00 3.00 0.00 1.00