From: "M. Edward (Ed) Borasky" <znmeb@...>
Date: 2007-11-13T14:38:48+09:00
Subject: Re: enterprise ruby

Sean Surname wrote:
> M. Edward (Ed) Borasky wrote:
>> I'm genuinely curious about this -- MATLAB is a (very expensive closed
>> source) package that caters to numerical processing, including signal
>> and image processing. Can MATLAB process regular expressions? Can
>> Mathematica? Or does one need a two-language solution -- MATLAB for the
>> number crunching and Perl, Python or Ruby for the data extraction?
> 
> String processing in MATLAB (Octave, really) is agony, so I tend to use 
> a hybrid of Perl and Octave.  I've tried Ruby plus NArray/rb-gsl and 
> Perl plus PDL, but neither has Octave's huge number of linear algebra 
> functions (SVD, least-squares, eigenvalues, ...) or plotting support. 
> Compact arrays are crucial, but they're only a small part of the story.
GSL doesn't have SVD, least-squares and eigenvalues? Well then -- you 
need (pregnant pause) RSRuby!! It hooks into the whole R language shared 
library, and I think it can get to the BLAS and LAPACK libraries in R 
too. But I really thought LAPACK was part of GSL.