%-----------------------------------------------------
%
% Matlab script for the hill height problem. This is a
% test driver for the conversion of the scripts hills.m
% into the function experiment_least_squares.m. 
%
% This one has an error in it; see if you can figure out
% what it is by running it. Then check by looking at the
% test driver test_hills1.m.
%  
% From ground level,
%   A is measured 1236 meters high
%   B is measured 1941 meters high
%   C is measured 2417 meters high
%  
% From A, B is 711 meters higher 
% From A, C is 1177 meters higher 
% From B, C is 475 meters higher 
%  
%
%    Last Modified: Tue 24 Feb 2009, 05:43 PM
%
%-----------------------------------------------------

A = [ 1 0 0
      0 1 0
      0 0 1
      -1 1 0
      -1 0 1
      0 -1 1];

b = [1236  1941  2417  711  1177  475];

[h, Y, I] = experiment_least_squares1(A, b);