From: Michael Kohl <citizen428@...>
Date: 2009-06-08T06:36:15+09:00
Subject: Re: adding, multiplying array

On Sun, Jun 7, 2009 at 10:55 PM, Rha7 <rha7.com@gmail.com> wrote:
> require 'pp'
> d=[]
> a.each_with_index{|o, i| d[i] = a[i] + b[i] * c[i] };
> pp d

Since you don't use the 'o' block variable, you can also use
Array#each_index (which is what I used in my first reply to this
thread).

c.each_index { |i| c[i] += a[i] * b[i] }

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