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A comment on How to Fix Gimbal Lock in N-Dimensions. Parent comment

Re:How to Fix Gimbal Lock in N-Dimensions by ogogmad on Saturday August 29, 2020 @09:21AM (#24315878)
An orientation in 4D can be represented by a pair of quaternions. If you want to rotate (change your orientation) you would multiply one pair of quaternions (representing your current orientation) by another pair of quaternions (representing the rotation) componentwise, yielding a new orientation.

This will not gimbal lock.

Regarding using 4x4 matrices: This will result in unintended shears and stretches due to rounding errors. Renormalising the matrices will be complicated and expensive. Also, interpolation will be more complicated and expensive.

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Re:How to Fix Gimbal Lock in N-Dimensions by OmarShehata on Saturday August 29, 2020 @10:00AM (#24316152)
Everything you said is correct. We've described two ways to apply these rotations, one of which will gimbal lock.

And Quaternions of course have several advantages and you should use them for those reasons.

The goal of the article was simply to explain that avoiding gimbal lock isn't the main reason you should consider Quaternions, which most people commenting here seem to have already been aware of.

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