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Benedict Irwin edited Introduction.tex
about 10 years ago
Commit id: b32314709e7bf0347323c0cb26a26fa35e3e0503
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j\cdot k=k\cdot j=0
\end{equation}
This is similar to having 3 independant imaginary numbers or basis vectors. If this were an inner product then they are orthoganal but antiparallell with themselves. They form a NON-ASSOCIATIVE 'group' under a product with elements $ {0,1,i,j,k,-1,-i,-j,-k} $, this is an Abelian relationship as the non-Abelian properties of the quaternions was removed with the cross interactions.
For example, \begin{equation}
(i \cdot i) \cdot j = -1 \cdot j = -j \\
i \cdot ( i \cdot j ) = i \cdot 0 = 0 \\
(a \cdot b) \cdot c \ne a \cdot (b \cdot c)
\end{equation}