Cubic spline interpolation schemes which require no derivative information at the end points are of great practical importance and have been included in several ...
This example then specifies a smoothed spline interpolation method on the GRID statement. As shown by the following output, the resulting surface plot is smoother still. libname reflib ...
SIAM Journal on Numerical Analysis, Vol. 14, No. 2 (Apr., 1977), pp. 254-282 (29 pages) A mathematical characterization of nonlinear interpolating spline curves is developed through a variational ...
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