From: Paul Lutus <nospam@...>
Date: 2006-12-11T08:35:06+09:00
Subject: Re: Complete Newbie - Matrix Question

Jay wrote:

> Hi Folks,
> This is probably quite easy, but I can't find a Matrix function or way
> to populate a specific element of a matrix with a given value? ie, I
> want to tell that element i,j of matrix.a should be 3

-------------------------------

#!/usr/bin/ruby -w

require 'mathn'

class Matrix
   def []=(i,j,v)
      @rows[i][j] = v
   end
end

m = Matrix.zero(5)

m[2,2] = 3

p m

-------------------------------

-- 
Paul Lutus
http://www.arachnoid.com