From: Golda Bence <gbence@...>
Date: 2007-11-02T10:21:13+09:00
Subject: Re: Fastest way to compute dot product (inner product) in Ruby?

theosib@gmail.com wrote:
> Ruby seems to provide some nice, abstract ways of doing some
> computationally intensive things quickly.  For instance, String#unpack
> [..]

Take a look at GSL bindings:

http://rb-gsl.rubyforge.org/

You'll find dot product below "Vector multiplication".
(http://rb-gsl.rubyforge.org/vector.html#3.7)

Cheers, Bence