From: Markus Fischer <markus@...>
Date: 2010-09-03T23:52:51+09:00
Subject: Re: ary6[1..2,0..-1]

Hi,

On 03.09.2010 13:41, Abder-Rahman Ali wrote:
> At the following:
> http://ruby.gfd-dennou.org/tutorial/gokuraku/index-e.html
> 
> Under "Index", I want to ask about the following:
> 
> ary6 = NArray.sfloat(4,3).indgen!(1.02.0) # This line didn't work
> 
> ary6[1..2,0..-1] # What is meant by this line?  didn't understand how
> the output was formed

This is just another form of array slicing, see
http://ruby-doc.org/core/classes/Array.html#M002160 for the details.

HTH