demoquat | % Demonstrate the functions available for manipulating quaternions. |

qconj | % Conjugate of a quaternion. |

qcoordinate_plot | % Plot in the current figure a set of coordinate axes as viewed from |

qderiv | % Derivative of a quaternion. |

qderivmat | % Derivative of a quaternion. |

qinv | % Return the inverse of a quaternion. |

qmult | % Multiply two quaternions. |

qtrans | % Transform the unit quaternion @var{v} by the unit quaternion @var{q}. |

qtransv | % Transform the 3-D vector @var{v} by the unit quaternion @var{q}. |

qtransvmat | % Construct a 3x3 transformation matrix from quaternion @var{qib} that |

quaternion | % Construct or extract a quaternion |