--- Shusaku <tsyk / yk.rim.or.jp> wrote:
> 
> On Sat, 7 Jul 2001 02:28:42 +0900
> "Bill Kelly" <billk / cts.com> wrote:
> 
> >  The upper left 3x3 of a procession regards it as a regular direct
> >  procession, and acquires a retrogression sequence.
> >
> > So I'm pretty certain 'procession' would be matrix, and 'retrogression
> sequence'
> > would be inverse... by any chance is 'regular direct' possibly meaning
> proper
> > orthogonal(?)
> 
> I'm certain those would be. Moreover, 'orthonormal' is more mathematical
> word than 'orthogonal'. (I don't know whether it is popular word or not.)

It's definitely used commonly in mathematics, but it means more than
"orthogonal" -- it means that the inner product of any two such
(non-identical!) entities is 0 and that the inner product of any such entity
with itself is 1.


Al

=====
Albert Davidson Chou

    Get answers to Mac questions at http://www.mac-mgrs.org/ .

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