## But then, why follow conventions. The quaternion derivative

In my previous post I described the different qualities in a quaternion depending on choice of definition. The choice of direction: local-to-global or global-to-local, when you read an equation from right-to-left will not change the operations when you operate on a vector, it will just mean different things. But when you multiply two quaternions, like for … Continue reading But then, why follow conventions. The quaternion derivative