From: Timothy Hunter <cyclists@...>
Date: 2005-11-28T22:02:58+09:00
Subject: Re: 2dim array/matrix

Wolfgang wrote:
> hello,
> 
> I'm quite new to programming as well to ruby. I want to store data in a 
> 2 dimensional array. How can I do this?
> 
> A more detailed describtion of what I want to do:
> I have data from a digital elevation model. This is stored in a log txt 
> file. I want to read it in and store it in an array or matrix. Because 
> there are some error/gaps in the data I want to check for these values 
> and calculate an average from the surrounding values. At the end all 
> values should get written to an other txt file as x, y, z triples. The 
> main problem for me to start is the 2dimensional storage. I know the 
> needed size of the 2dim array/matrix (x-dim,y-dim). For getting the data 
> in I was thinking of something like: dem[xi][yi]=value .
> 
> Kind regards
> 
> Wolfgang

Ruby has a Matrix class in the standard library. Check out "matrix" in 
the http://www.ruby-doc.org/stdlib/.