f=figure; 
vol=[0:0.00001:0.004]
druck=[0:0.1:40]
s1=[0 0.0004]
s2=[30 30]
p1=line(vol,druck,'LineStyle','none'); 
p2=line(s1,s2,'LineStyle','none'); 
set(p1,'Marker','o') 
set(p2,'Marker','o') 
hold on 
plot(vol,druck)
%plot(s1,s2)
drawnow 
axis manual 
for k=[1:(length(vol)/10)] 
    set(p1,'XData',vol(k*10),'YData',druck(k*10)); 
    set(p2,'XData',vol(k*10),'YData',30); 
    %line(vol,druck)
    pause(0.1)
    drawnow; 
   
end