From: Ted Dennison <dennison@escmail.orl.mmc.com>
Subject: Re: Ada / Boeing 777
Date: 1996/03/22
Date: 1996-03-22T00:00:00+00:00 [thread overview]
Message-ID: <31537A62.1292@escmail.orl.mmc.com> (raw)
In-Reply-To: 4iv1id$dlm@gaia.ns.utk.edu
Matt Kennel wrote:
> It should be a complex number of unit magnitude. Rotations in any
> direction can be implemented as complex multiplication without any
> discontinuities, wrap around errors or problems at 0 or 180 or 360
> degrees.
>
> This is an easy 2-d representation of the rotation group. 3-d is
> trickier: either Euler angles or quaternions.
...
> See, sometimes physicists *can* be useful. ;-)
Gee, your'e right.
Now go get us a cup of coffee. :-)
--
T.E.D.
| Work - mailto:dennison@escmail.orl.mmc.com |
| Home - mailto:dennison@iag.net |
| URL - http://www.iag.net/~dennison |
next prev parent reply other threads:[~1996-03-22 0:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
1996-03-18 0:00 Ada / Boeing 777 Sam Harbaugh
1996-03-22 0:00 ` Matt Kennel
1996-03-22 0:00 ` Alan Brain
1996-03-22 0:00 ` Ted Dennison [this message]
1996-03-27 0:00 ` "Tim Rowe"
[not found] <4ia0l3INNatk@faatcrl.faa.gov>
1996-03-15 0:00 ` Thomas C. Timberlake
1996-03-18 0:00 ` Thomas C. Timberlake
1996-03-16 0:00 ` "Tim Rowe"
1996-03-18 0:00 ` Ken Garlington
1996-03-19 0:00 ` Bob Kurtz
1996-03-23 0:00 ` "Tim Rowe"
1996-03-18 0:00 ` Ken Garlington
-- strict thread matches above, loose matches on Subject: below --
1996-03-19 0:00 Sam Harbaugh
1996-03-21 0:00 ` Ian Ward
1996-03-21 0:00 ` Stuart Palin
1996-03-23 0:00 Sam Harbaugh (at Home)
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox