Rational chebyshev approximations of elementary functions

descriptionPublicationkeyboard_double_arrow_right Article 01 Dec 1961 English Publisher:Springer Science and Business Media LLCJournal:BIT, volume 1, pages 256-262 (issn: 0006-3835, eissn: 1572-9125,

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Authors: Fröberg, Carl-Erik;

doi: 10.1007/bf01933243

Rational chebyshev approximations of elementary functions

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Abstract

Explicit formulae which should be useful in practical computations, are given for the functions e−x, log x, Γ(1 + x), arctg x/x, sin x/x, cos x and (2/x) arcsin (x/2) in the interval 0≤x≤1 except for log x, where the interval is 1/2≤x≤1 instead.

Related Organizations

Lund University
Sweden

Keywords

numerical analysis

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