quaternians

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Angus Henderson (angus++at++death.reading.sgi.com)
Mon, 4 Mar 1996 17:50:21 +0000

I've got a nice quaternian based flight dynamics model - but I want the euler
angles for my instruments. What can I do about the nasty effects I am getting
when roll angle tends to zero and my acos gets very inaccurate - I see a lot
of "noise" on roll angle.

ANgus

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