HDA:
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Computes the dihedral angle for a spinning spacecraft.
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Form:
da = HDA( uA, uS, uE )
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Inputs
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uA Spacecraft unit vector
uS (3,n) Unit sun vectors
uE (3,n) Unit nadir vectors
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Outputs
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da (n) Dihedral angle
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Children:
Common: Graphics/NewFig
Math: Linear/Cross
Math: Linear/Dot
Math: Linear/Unit