ECI2LVLH:

--------------------------------------------------------------------------
   This function takes two ECI state vectors, and returns the relative state in
   the LVLH frame. It treats the first input as the reference state.

   Since version 7.
--------------------------------------------------------------------------
   Form:
   xL = ECI2LVLH( x0, x1 )
--------------------------------------------------------------------------

   ------
   Inputs
   ------
   x0              (6,1) [r;v] ECI frame (reference)
   x1              (6,n) [r;v] ECI frame

   -------
   Outputs
   -------
   xL              (6,n) [r; v] LVLH frame

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

Children:

FormationFlying: Transformation/ECI2Hills
FormationFlying: Transformation/Hills2LVLH