compileIt for revolution?

[Dr.John R.Vokey]

If you are mostly writing for yourself, you can, of course, use RR to 
produce a nice GUI, but pass all the time critical computations to, say 
Matlab (or Octave, Matlab's GNU equivalent) using the shell commands. 
But then, if that were the case, why not just use Matlab (or Octave) 
directly?  Incidentally, Smile (the free Applescript program writer) 
has a brilliant math library (OSAX) attached to it that can be called 
from RR <http://www.satimage.fr/software/en/index.html>.

BTW, APL was my first programming language, too!  Perhaps that is why I 
tend to think of solutions in matrix linear algebra.

On 22-Jun-05, at 2:08 PM, use-revolution-request at lists.runrev.com wrote:

> John,
>
> I actually had a complete matrix algebra package as an external for
> Hypercard.  I know how to use it, because I cut my teeth on APL.  I
> implemented my complex algorithms and state machines in it.  The
> coding was cumbersome, and it was difficult to debug and handle edge
> conditions, sparse arrays, etc.  And to top it all off, it only ran
> 25% faster than the simple HyperCard stack even though it could
> crunch numbers 10 times faster.  However, I have to admit that it
> spent a lot of time converting and passing arrays back and forth to
> HyperCard.  A native engine capability might make a big difference if
> the internal representation could be typed by making sure you only
> put all the same type numbers into the array, and if the indexes were
> truly integers.  The both matrix and element by element operations
> could be mixed and we would have the best of both worlds.
>
> Dennis
>
--
John R. Vokey, PhD
Professor
B.E.R.G. - Behaviour and Evolution Research Group
Micro-Cognition Laboratory
Department of Psychology & Neuroscience
University of Lethbridge
Lethbridge, Alberta T1K 3M4
CANADA
(403) 329-2409 office/lab
(403) 329-2555 FAX