FEngine:

Path: Orbit/OrbitPropagator

% Computes the engine force vector in the ECI frame. 
   The input is in the LVLH frame.
--------------------------------------------------------------------------
   Form:
   x = FEngine( action, modifier, u, t )
--------------------------------------------------------------------------

   ------
   Inputs
   ------
   action      (1,:)  Action 'initialize', 'update'
   modifier    (1,:)  Modifier to the action or data structure if initialization
   u           (7,1)  [r;v;m]
   t           (1,1)  Time

   -------
   Outputs
   -------
   x           (1,1)  The tag if action is 'initialize'
                      If the action is update
                      x.f    (3,1) Force vector in the ECI frame
                      x.mDot (1,1) Mass derivative

--------------------------------------------------------------------------

Children:

ACPro: Help/HelpSystem
AerospaceUtils: Coord/QLVLH
Common: General/CloseFigure
Common: Quaternion/QTForm
Orbit: OrbitPropagator/PropagateOrbitPlugIn

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