Path: SC/Ephem
% Computes the earth precession matrix
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Form:
p = EarthPre( T )
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Inputs
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T (1,1) Julian centuries of 86400s dynamical time from j2000.0
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Outputs
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p (3,3) Precession matrix
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References: Seidelmann, The Explanatory Supplement to the Astronomical
Almanac, University Science Books, 1992, p. 103.
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Common: Time/Date2JD Common: Time/JD2T
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