Professional correspondence | Zendy

F.N. Fritsch | Zendy

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Professional correspondence

Author(s) -

F.N. Fritsch

Publication year - 1997

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/501274

Subject(s) - univariate , interpolation (computer graphics) , mathematics , computer science , statistics , computer graphics (images) , multivariate statistics , animation

This letter discusses interpolation methods; it is prompted by Akima`s note on local methods of univariate interpolation (April 1996 issue of SIGNUM Newsletter). That note compared various univariate methods, concluding that Algorithm 697 is probably the best. Purpose of this letter is provide information about PCHIC comparable to that given in Akima`s note. The 4 methods (Alg. 514, Alg. 697, PCHIC0, PCHIC1) are applied to the 5 analytic functions in Ellis and McLain`s paper (x{sup 3}, x{sup 4}, exp(-x{sup 2}/2), tanh x, sin x)

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