From: "Mauricio Fernández" <batsman.geo@...>
Date: 2004-12-08T09:27:42+09:00
Subject: Re: Ruby 2.0

On Wed, Dec 08, 2004 at 08:53:27AM +0900, trans.  (T. Onoma) wrote:
> On Tuesday 07 December 2004 06:12 pm, Oliver Cromm wrote:
> | ruby -e'require "matrix";a=[1];(1..10).each{|n| print "
> | "*(10-n)*3,a.map{|i|\
> | i.to_s.center(6)}.join,$/;a.push(0);a=(Vector[*a]+Vector[*a.reverse]).to_a}
> |' 
> 
> A touch smaller:
> 
> ruby -e'require"matrix";a=[1];(1..10).each{|n|print" "*(10-n)*3,a.map{|i|\
> i.to_s.center(6)}.join,$/;a<<0;a=(Vector[*a]+Vector[*a.reverse]).to_a}'

Some obvious modifications:

ruby -rmatrix -le'a=[1];10.times{|n|print" "*(9-n)*3,"%3d   "*a.size%a;a<<0;a=(
Vector[*a]+Vector[*a.reverse]).to_a}'

There's still potential for further optimization but I prefer to zzzZZ.

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