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   Plot the behavior of the first and third delta-v in a 3-burn sequence
   as the number of half-orbits allowed between burns is varied.
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   Usage:
   AnalyzeVariableTimeDV( dV1, dV2, dV3, M, N );
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   ------
   Inputs
   ------
   dV1                   (P,P)   Square matrix first delta-v values     [kN]
   dV2                    (1)    Second delta-v                         [kN]
   dV3                   (P,P)   Square matrix third delta-v values     [kN]
   M                     (1,P)   Array of number of half-orbits between burn 1 and burn 2
   N                     (1,P)   Array of number of half-orbits between burn 1 and burn 3

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   Outputs
   -------
   none
   
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