function run_problem3()
% ... some help

A = dlmread('data/problem3.csv'); % MS-Excel readable
[m,n] = size(A);
% ...


%== Plot the row vectors projection to the 1-stPC vector
h = figure; % create a new figure
xlabel Feature1 % print labels
ylabel Feature2
set(gca,'PlotBoxAspectRatio',[1 1 1]'); % set 1:1 axis aspect ratio
grid on % show the axis grid
%plot([0,1,1,0,0],[0,0,1,1,0],'-g'); % green square [0,1]x[0,1];
hold on % keep all the painting on
plot(A(:,1),A(:,2),'*k'); % plot the objects with asterisks
% plot objects names (order numbers)
for i = 1:m, text(A(i,1),A(i,2),[' Vec',num2str(i)]); end

%...

return