nag_2d_shep_interp (e01sgc) Example Program Results I U(I) V(I) Q(I) 1 20.00 3.14 15.89 2 6.41 15.44 34.05 3 7.54 10.69 19.31 4 9.91 18.27 13.68 5 12.30 9.22 14.56