a quaternion version of Euler's formula https://www.youtube.com/watch?v=dvpAFWBVgy0
A bit late for the discussion, and kind of sketchy when you get into it. -Roger > On Apr 28, 2023, at 8:18 AM, Stephen Guerin <stephen.gue...@simtable.com> > wrote: > > Special Unitary Groups and Quaternions > > Mostly for Ed from the context of last week's Physical Friam if you're coming > today. > > Discussion was around potential ways of visualizing the dynamics of SU(3), > SU(2), (SU1) that highlights Special Unitary Groups. (wiki link from Frank > <https://en.wikipedia.org/wiki/Special_unitary_group>), and can we foreground > how quaternions are used in this process. > > and a related bit on forces, I'm searching for ways to visualize/understand > how FFTs with Poisson equation > <https://www.codeproject.com/Articles/5308623/Solving-Poisson-Equation> are > used to compute the forces from scalar fields (eg gravitational force from > mass density, electric force from charge, etc) and if there's any relation to > Special Unitary Groups. > > -S > -. --- - / ...- .- .-.. .. -.. / -- --- .-. ... . / -.-. --- -.. . > FRIAM Applied Complexity Group listserv > Fridays 9a-12p Friday St. Johns Cafe / Thursdays 9a-12p Zoom > https://bit.ly/virtualfriam > to (un)subscribe http://redfish.com/mailman/listinfo/friam_redfish.com > FRIAM-COMIC http://friam-comic.blogspot.com/ > archives: 5/2017 thru present > https://redfish.com/pipermail/friam_redfish.com/ > 1/2003 thru 6/2021 http://friam.383.s1.nabble.com/
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