nag_2d_shep_interp (e01sgc) Example Program Results I U(I) V(I) Q(I) 1 20.00 3.14 15.95 2 6.41 15.44 38.71 3 7.54 10.69 19.31 4 9.91 18.27 16.39 5 12.30 9.22 14.66