Why every robot stores orientation as four numbers instead of three. Find the axis a rotation turns about, watch three angles fail, and combine turns with four numbers.
8 Lessons·1h 15m
What You'll Be Able to Do
Explain why roll, pitch and yaw lock up, and spot gimbal lock
Describe any turn as one turn about one line
Write any turn as four numbers, and read the turn back from them
Combine and undo turns, and find the single turn from one orientation to another