SpinDataF:

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   Computes spin precession maneuver data for fuel budgets

   Since version 1.
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   Form:
   x = SpinDatF( inr, iAxis, cM, dW, thrusters )
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   Inputs
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   inr           (1,1)    Spin axis inertia
   iAxis         (1,1)    Axis of spin change
   cM            (3,1)    Center of mass
   dW            (1,1)    Delta spin rate
   thrusters     (1,n)    Thruster IDs

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   Outputs
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   x             (1,12+n) Spin change data

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