Difference between revisions of "Pure and unit quaternions"

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{{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:
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:<math>
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\begin{align}
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i^2 &= j^2 = k^2 = ijk = -1 \\
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ij &= -ji = k \\
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jk &= -kj = i \\
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ki &= -ik = j
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\end{align}
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</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:


\begin{align}
i^2 &= j^2 = k^2 = ijk = -1 \\
ij &= -ji = k \\
jk &= -kj = i \\
ki &= -ik = j
\end{align}