I have a copy of the same book Dan recommended for quaternions in the
mail, so while I'm looking forward to your condensation of the
important bits, I'm going to hold my own questions off for a few weeks
while my book arrives and I wrap my head around the math.


On Tue, Mar 1, 2011 at 9:17 AM, Jamey Sharp <ja...@minilop.net> wrote:
> First off: Like last week, we're meeting in FAB 155, not the CS
> lounge/fishbowl. We're going to look into reserving FAB 86-01 for
> future meetings, and we'll announce tonight if that worked out.
>
> Last week Ben and I chatted about taking an hour of the regular
> meetings to explore rocket physics and, at his request, "geometry"
> topics---first up, quaternions. So let's try that tonight.
>
> During tonight's regular weekly meeting, from 8pm to 9pm anyone who's
> interested is invited to chat about rocket physics: how physicists
> model the forces on a rocket in the abstract, and how a practical
> computer model of those forces should work.
>
> I took some time last week to wrap my head around quaternions so I'm
> prepared to discuss what they are, why you want to use them in
> practical physics models, and how the important operations on them
> work.
>
> If we have time, I'd like to follow that up with discussion of how to
> implement forces that cause rotation in rockets. Several people in
> PSAS have been trying to explain this stuff to me over a period of
> years and I'm hoping to get some of it to stick, preferably in the
> form of executable code.
>
> See you tonight!
>
> Jamey
>
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