From: Lawrence Maina <lwrncmaina@...>
Date: 2011-02-04T16:35:52+09:00
Subject: problem with inheritance

class Input_Agent

  def intro

    puts ("A three variable simultaneous equation is of the form:"),
    ("\n\t\t\tax+by+cz=l"), ("\t\t\tdx+ey+fz=m"), ("\t\t\tgx+hy+iz=n"),
    ("\nWhere the coeficients, a, b, c, d, e, f, g, h and i can take
positive or negative numbers."),
    ("x, y and z are the variables whose value is to be calculated."),
    ("l, m and n can also take positive or negative numbers."),
    ("\nPlease enter the values as prompted:")

  end

  def prompt_input


    print ("a = ")
    a = gets
    print ("b = ")
    b = gets
    print ("c = ")
    c = gets
    print ("d = ")
    d = gets
    print ("e = ")
    e = gets
    print ("f = ")
    f = gets
    print ("g = ")
    g = gets
    print ("h = ")
    h = gets
    print ("i = ")
    i = gets


  end

end
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require 'matrix'
require 'mathn'
require 'input_agent'

class Matrices < Input_Agent

  left_side=Input_Agent.new()
  left_side.intro
  left_side.prompt_input
  lh=Matrix[[a,b,c],[d,e,f],[g,h,i]]

rh=Matrix[[l],[m],[n]]
inv=lh.inverse
soln=inv*rh
soln2=soln.to_a

puts ("x = #{soln2[0]}")
puts ("y = #{soln2[1]}")
puts ("z = #{soln2[2]}")

end

hello there and thanks in advance. i'm new to ruby and i'm trying to
access the values i read in from the first file into the second file
through inheritance but i can't get it to work.

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