There's also NMatrix: http://github.com/sciruby/nmatrix. It's being
actively developed.

2012年12月5日水曜日 Ralf Mueller ralf.mueller / zmaw.de:

> On 12/05/2012 05:15 PM, Admin Tensor wrote:
>
>> To the OP:
>>
>> If you want to do a lot of math with vectors and surds (symbolic
>> computation), I think for now you are better off using Python rather
>> than Ruby.  I am sorry to say this.
>>
>> Regards,
>>
>> Bill
>>
>>  For numerics there are several packages with fast Vector/Matrix
> implementation with lots of features
>
> 1. NArray : http://rubygems.org/gems/**narray<http://rubygems.org/gems/narray>
> 2. bindings to the GNU scientific library: http://rubygems.org/gems/gsl
>
> hth
> ralf
>
>

-- 

-----
Carlos Agarie

Control engineering
Polytechnic School, University of So Paulo, Brazil
Computer engineering
Embry-Riddle Aeronautical University, USA