From: Martin DeMello <martindemello@...>
Date: 2003-01-29T00:01:24+09:00
Subject: Re: Questions from a Ruby Newbie (file io and data structures)...

dblack@candle.superlink.net wrote:
> On Tue, 28 Jan 2003 christopher.j.meisenzahl@citicorp.com wrote:
>> How does a matrix/vector differ from an array?
> 
> Mainly it has a transpose method, which I nonetheless forgot about :-)
> 
> I fear my knowledge of the underlying theory of matrices is very thin;
> maybe one of the math people will jump in.

The main difference is that a Matrix is rectangular (an Array is a 1-D
list; a '2D array' is actually a list of lists).

martin