Path: Orbit/OrbitMechanics
% Compute continuous-time relative dynamics for Gauss' variational equations
The form is:
d/dt(del) = A(el)*del + B(el)*u
where A(el) is all zeros, except lower-left corner is -3n/2a,
n is the mean orbit rate, and u is the input acceleration with
x,y,z components in the radial, along-track, and orbit-normal
(or cross-track) directions, respectively.
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Usage:
[A,B] = GVEDynamics( el );
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Inputs
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el (1,6) Reference orbital elements [a,i,W,w,e,M]
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Outputs
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A (6,6) State dynamics matrix
B (6,3) Input effect matrix
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SC: BasicOrbit/M2Nu
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