Got a question about Quaternions.
I can kind of get that for $q=a+b{\bf i}+c{\bf j}+d{\bf k}$, $\bf i,j,k$ are square roots of -1, what I don't get is why ${\bf ijk} = -1$ ?
Any enlightenments? :)
Got a question about Quaternions.
I can kind of get that for $q=a+b{\bf i}+c{\bf j}+d{\bf k}$, $\bf i,j,k$ are square roots of -1, what I don't get is why ${\bf ijk} = -1$ ?
Any enlightenments? :)
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