this is for holding javascript data
Benedict Irwin edited Introduction.tex
about 10 years ago
Commit id: b3a4fdf3225be46b3b274eb16767daa8882a28c2
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index 2cfaaf7..5236f72 100644
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...
\end{bmatrix}
\end{equation}
On probing where this comes from it was postulated that the matrix could be the 'Real' (non-quaternion) part of the outer product of two unit quaternions
$Q= w + xi + yj +zk \to 1+i+j+k$, $Q=1+i+j+k$, \begin{equation}
\eta_{\mu \nu} = Q \otimes Q =Re \left(
\begin{bmatrix}