Introduction | What is a quaternion? | Quaternions as rotations and vectors | Rotation quaternions | Vector quaternions | Conjugate | Rotating a vector | Cross product and dot product | More quaternion operations | Finding a rotation that rotates a unit vector into another | Angular distance between 2 orientations

Introduction | Sample implementation | IMU Data | Orientation update | Animation update | Visualization

Introduction | Data | Orientation update | Helper function | Orientation update for one IMU reading | Orientation update for multiple IMU readings | Application of orientations | Vector transformation | Turn angle function | Turn angles for all time points | Analyses of turn angles

Introduction | 3-D animation of IMU orientations | 3-D animation of IMU orientations within Shiny