TransformLagrangePoints:

Path: SC/Ephem

% Computes the position and velocity of stable Lagrange points.
   Assumes thes positive x axis in the rotating frame is towards the moon 
   from the Earth.
   See also LagrangePointsL1ToL5 and MoonV1.
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   Form:
   [r, v, mLEToECI] = TransformLagrangePoints( p, jD )
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   ------
   Inputs
   ------
   p              (2,:)  Points
   jD             (1,1)  Date of interest

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   Outputs
   -------
   r              (3,1)  Position of stable point in ECI frame
   v              (3,1)  Velocity of stable point in ECI frame
   mLEToECI       (3,3)  Transformation matrix from Lunar-Earth to ECI
                         frame

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