CDAirship:

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   The drag coefficient of airship as a function of angle of attack. 
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   Form:
   cD = CMAirship( alpha, delta )
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   Inputs
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   alpha          (:)   Angle of attack (deg)
   delta          (:)   Elevator angle (deg) 

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   Outputs
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   cD             (:)   Drag coefficient

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Children:

Common: Graphics/Plot2D