From: Todd Benson <caduceass@...>
Date: 2007-10-20T06:48:28+09:00
Subject: Re: Create matrix with random numbers

On 10/19/07, Jason Bornhoft <jbornhoft@gmail.com> wrote:
> I would like to start evaluating Ruby's capabilities in processing large
> linear systems and matrices and I would like to know if there is a
> simple way to 'randomly' populate various matrices regardless of size or
> type.
>
> Any help, comments, anything is greatly appreciated!

Not sure what you want exactly, but, maybe...

require 'matrix'
a, b = 2, 3
m = Matrix[*(Array.new(a) {Array.new(b) {rand}})]

Todd