They're pretty much the same thing except in one of them you say "i, j, k" and i... | Hacker News

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BigTTYGothGF 85 days ago | parent | context | favorite | on: Matrix and Quaternion FAQ

They're pretty much the same thing except in one of them you say "i, j, k" and in the other you say "e12, e13, e23".

DarkUranium 85 days ago [–]

In the other, you say "xy, yz, zx" (or whatnot), which makes it much clearer as to what's what.

What exactly does `i` correspond to in a quaternion? They always rely on implicit assumptions/conventions.

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