NASA NTRS · 19750040458
Compression of ephemerides
Abstract
An algorithm is proposed for generating sequences of Chebyshev series which are the best approximations of an astronomical ephemeris in the sense of Chebyshev over large intervals of time. The criterion for a polynomial approximation of a function to be the best polynomial approximation of the function is that the error function present certain rippling characteristics as described by Remez (1957). General features of the program in PL/1 are described.
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Deprit, A., Poplarchek, W., Deprit-Bartholome, A.. 1975-02-01. Compression of ephemerides. https://ntrs.nasa.gov/citations/19750040458
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