Hello mark.

13 Jul 04 17:47, you wrote to Miles Maxted:

 MM>> Ah me ... took a whole term to derive the principal
 MM>> components of a 10 item table of correlations,
 MM>> doing everything by hand and mechanical adding
 MM>> machine as a fulltime student  ...   and now, on
 MM>> this old Pentium, I routinely do a much fuller
 MM>> multivariate analysis of 3 or 400 variables in
 MM>> seconds.... :-)

 ml> i have experianced almost the same type of thing... i wrote a program
 ml> years ago to find what i call Pythagorean Triples... they are the A,
 ml> B, and C in A^2+B^2=C^2... 3 4 5 being the first set... back then, it
 ml> took many hours for those up to 100 to be found... on today's
 ml> machines, that run is over in seconds... i've adjusted the program
 ml> over the years and run it every once in a while just for fun and it
 ml> still takes only seconds for it to find the triples up to the highest
 ml> it can count in that language...

did you use the type "comp"  :)  (IIRC a 64 bit integer type)

did you search or use a function that emits triples.

Jasen

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