TruEarth:

Path: SC/Ephem

% Computes the matrix from mean of Aries 2000 to earth fixed frame.
   Uses EarthRot, EarthNut, and EarthPre in sequence.

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   Form:
   [c, g, n, p] = TruEarth( T, useEofE )
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   ------
   Inputs
   ------
   T           (1,1) Julian centuries of 86400s dynamical time from j2000.0
   useEofE     (1,1) If entered will use the equation of the equinoxes
                     for the earth rotation matrix

   -------
   Outputs
   -------
   c           (3,3) Matrix from Mean of 2000.0 to earth fixed
   g           (3,3) Greenwich matrix
   n           (3,3) Nutation matrix
   p           (3,3) Precession matrix

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   References:   Seidelmann, ed. The Explanatory Supplement to the Astronomical
                 Almanac, University Science Books, 1992, p. 20.
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Children:

SC: Ephem/EOfE
SC: Ephem/EarthNut
SC: Ephem/EarthPre
SC: Ephem/EarthRot
SC: Ephem/GMSTime
SC: Ephem/MSidDay
SC: Ephem/NutDelta
SC: Ephem/ObOfE
Common: Time/DTSToDTA
Common: Time/Date2JD
Common: Time/JD2000
Common: Time/JD2T
Common: Time/JDToMidnight
Math: MathUtils/R2P5
Math: Trigonometry/CosD
Math: Trigonometry/SinD

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