% matlab code to plot TSP tour
load points.dat

% move it to A
n = points(1,1); TSPlength = points(1,2);
A = points; A(1,:) = [];

% figure number of arcs to plot
N = size(A,1);
if (n ~= N) error('wrong data'); end;

clf;
figure(1);

x = A(:,1); y = A(:,2);
scatter(x,y,100,[0 0 1],'+');
hold on
plot(x,y,'r-');
plot([x(N), x(1)],[y(N),y(1)],'g-');

axis([-0.1 1.1 -0.1 1.1]);
axis square;
title('solution to TSP problem');