VarGausT:

Path: Orbit/OrbitMechanics

% Variational Keplerian equations with the acceleration in tangential coordinates.
   Computes the right hand side of the variational equations
   based on the Gauss formulation with the acceleration
   in tangential coordinates. These equations are singular
   when i = 0.

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   Form:
   dElDt = VarGausT( el, aD, tol, mu )
--------------------------------------------------------------------------

   ------
   Inputs
   ------
   el    (6,1) Elements vector [a,i,W,w,e,M]
   aD    (3,1) Disturbance vector [tangent,normal,z]
   tol   (1,1) Tolerance for Kepler's equation solver
   mu    (1,1) Gravitational parameter

   -------
   Outputs
   -------
   dElDt	(6,1) Derivative to the elements

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   References: Battin, R.H., An Introduction to the Methods and 
               Mathematics of Astrodynamics, AIAA, New York, 1987, 
               pp. 484-490.
--------------------------------------------------------------------------

Children:

SC: BasicOrbit/E2Nu
SC: BasicOrbit/M2EApp
SC: BasicOrbit/M2EEl
Common: CommonData/SwooshWatermark
Common: General/CellToMat
Common: General/MatToCell
Common: General/Watermark
Common: Graphics/NewFig
Common: Graphics/Plot2D
Common: Graphics/PltStyle
Math: Linear/DupVect

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