Difference between revisions of "Pure and unit quaternions"
From Robotics
m (Nickchen moved page Arithmetics of quaternions to Arithmetic of quaternions) |
|||
Line 1: | Line 1: | ||
{{Navigation|before=[[Definition of a quaternion]]|overview=[[Quaternions]]|next=[[Rotations with quaternions]]}} | {{Navigation|before=[[Definition of a quaternion]]|overview=[[Quaternions]]|next=[[Rotations with quaternions]]}} | ||
+ | |||
+ | For these imaginary units, the following rules hold: | ||
+ | :<math> | ||
+ | \begin{align} | ||
+ | i^2 &= j^2 = k^2 = ijk = -1 \\ | ||
+ | ij &= -ji = k \\ | ||
+ | jk &= -kj = i \\ | ||
+ | ki &= -ik = j | ||
+ | \end{align} | ||
+ | </math> |
Revision as of 15:19, 28 May 2015
← Back: Definition of a quaternion | Overview: Quaternions | Next: Rotations with quaternions → |
For these imaginary units, the following rules hold: