The toolbox supports the representation and updating of attitude through quaternions as well as direction cosines. The toolbox provides the following functions:

  • QUAUPDAT – Update quaternion body-to-nav attitude vector
  • QUAMULT – perform quaternion multiplication
  • QUA2DCM – convert from quaternion to direction cosine matrix
  • EULR2QUA – convert from Euler angles to quaternion
  • DCM2QUA – convert from direction cosine matrix to quaternion