%% Stacked Area Plot
% Plot the data in |Y| as an area plot. Each subsequent column of |Y| is
% stacked on top of the previous data. 

% Copyright 2015 The MathWorks, Inc.


Y = [1, 5, 3;
     3, 2, 7;
     1, 5, 3;
     2, 6, 1];

figure
area(Y)