AttProp:

Path: SpacecraftEstimation/StellarAttDet

% Propagates a quaternion one step
 Assuming that the angular velocity is constant. 

------------------------------------------------------------------------
   Form:
   q = AttProp( w, q, dT )
------------------------------------------------------------------------

   ------
   Inputs
   ------
   w            (3,1)     Angular velocity
   q            (4,1)     Old quaternion
   dT           (1,1)     Time change

   -------
   Outputs
   -------
   q            (4,1)     Updated quaternion

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

Children:

Common: Quaternion/QUnit
Math: Linear/SkewSymm

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