Frenet2Hills:

Path: FormationFlying/Transformation

% Rotate the Frenet frame state to the Hills frame, where x is radial

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   Form:
   xH = Frenet2Hills( xF, e, nu, n );

   Note: The number of columns of "nu" and "xF" must be equal if they both
         have more than ONE column.
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   ------
   Inputs
   ------
   xF            (M,:)  Relative state in Frenet frame [km] (M = 3 or 6)
   e             (1,1)  Eccentricity
   nu            (1,:)  True anomaly [rad]
   n             (1,1)  Orbit rate [rad/s]. Optional. 
                          Uses time-derivatives if rate provided.
                          Uses nu-derivatives is NOT provided.

   -------
   Outputs
   -------
   xH            (M,N)   Hills frame state 
                            N = number of columns of nu or xF, whichever
                                is greater
   
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Children:

FormationFlying: Utility/NuDot
Common: Transform/RotMat
Math: Linear/Cross
Math: Linear/DupVect

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