Outlying point, natural neighbor vs. curve fitting


Outlying point, natural neighbor algorithm

The following plot was produced using the natural neighbor algorithm:

Outlying point, curve fitting algorithm

The following plot was produced using the curve fitting algorithm described in Akima 1 and Akima 2. The same input data were used as for the plot above. If you have access to NCAR Graphics, Akima's algorithm is available via the IDSFFT entry point (do a "man IDSFFT" for details).


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