%A4q-Plotform

set(gcf, 'PaperUnits', 'centimeters');        
set(gcf, 'PaperType', 'A4'); 
set(gcf, 'PaperOrientation','Landscape');

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
x=[0.85 7.85   7.85   7.85   21.95   21.95   21.95  28.0];
y=[2.9    2.9     0.7     2.9     2.9        0.7        2.9       2.9];
subplot(3,1,3), plot(x,y),...
     'Linewidth',4,'Color','red',...
     'position' ,[0.85/29.4,0.75/21, 28/29.4, 2.9/21.0];    % [Linker Abstand,  Abstand von unten,  Breite, Höhe (relativiert) ];
hold on

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
x1=0:1:10;
y1=2+sqrt(x1/3);
subplot(3,1,2),plot(x1,y1),...
    'Linewidth',4,'Color','green',...
    'position' ,[2.4/29.4,4.9/21, 25/29.4, 6/21.];    
hold on

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
x2=0:1:10;
y2=(x2*.2)/2
subplot(3,1,1),plot(x2,y2),...
    'Linewidth',4,'Color','green',...
    'position' ,[2.4/29.4,12,4/21, 25/29.4, 6/21.];    
hold off

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%