compileIt for revolution?

[Dennis Brown]

John,

I am not writing just for myself, I use a Mac and my friend uses a PC  
and he also has to be able to run my stuff.  I do not have the budget  
for Matlab, etc., etc.  I buy everything out of my own pocket.  I am  
constrained to exactly what is good about Rev.

Dennis

On Jun 22, 2005, at 5:15 PM, Dr.John R.Vokey wrote:

> 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
>
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