This example extends Example 1 to specify a spline interpolation method on the GRID statement. The output data set, when used in PROC G3D, generates a smoother surface plot than the surface plot that ...

Generalized Cubic Spline Fractal Interpolation Functions SIAM Journal on Numerical Analysis , pp. 655-676 (22 pages) Published By: Society for Industrial and Applied Mathematics ...

This example specifies a partial spline interpolation method on the GRID statement, using eight nearest neighbors for computing the estimates of the first and second derivatives. The output data set, ...