Bivariate Interpolation and Smooth Surface Fitting Based on Local Procedures [E2] (Algorithm A474) CACM January, 1974 Akima, H. bivariate interpolation, interpolation, partial derivative, polynomial, smooth surface fitting 5.13 CA740106 JB January 18, 1978 2:07 PM 1845 4 2693 1900 4 2693 2083 4 2693 2154 4 2693 2270 4 2693 2693 4 2693 2693 4 2693 2693 4 2693 2696 4 2693 988 5 2693 2270 5 2693 2693 5 2693 2693 5 2693 2693 5 2693 2696 5 2693 2270 6 2693 2693 6 2693