direction cosine matrix to quaternions

(Definition)

The fourth quaternion can be found through the definition given for the axis of rotation (see axis angle of rotation), α

1 ∘ -------------------- q4 = +∕ − 2- A11 + A22 + A33 + 1

(1)

"direction cosine matrix to quaternions" is owned by bloftin.
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Cross-references: axis angle of rotation, quaternion

This is version 2 of direction cosine matrix to quaternions, born on 2005-08-29, modified 2005-08-29.
Object id is 91, canonical name is DirectionCosineMatrixToQuaternions.
Accessed 2927 times total.

Classification:

45.40.-f (Dynamics and kinematics of rigid bodies)

Pending Errata and Addenda

None.

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