Path: SpacecraftEstimation/StellarAttDet
% Computes the discrete state transition matrix for a plant.
The plant equations are
qDot = -skew(w)*angle + b/2
bDot = zeros(3,3);
This functions uses a 5th order expansion. For |w| = 1 this routine
will be equivalent to C2DZOH to 1e-14 if dT < 0.03125 sec.
Since version 3.
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Form:
phi = DSTM( w, dT )
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Inputs
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w (3,1) Rate vector
dT (1,1) Time step
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Outputs
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phi (6,6) State transition matrix
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Math: Linear/Skew
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