Create a startpoint in form of a ring on my graph

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Cillian
Cillian 2012-6-26
Hi!
I wonder how to create a marker in form of a "ring/circle" on my startpoint a graph?
Thanks Cillian

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Thomas
Thomas 2012-6-26
try
a=[1 2 3 4]; %data to be plotted
plot(a)
hold on
plot(a(1),'o','MarkerSize',10) % start point with circle
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Thomas
Thomas 2012-6-27
try the following
plot3(YOUT(:,1),YOUT(:,2),YOUT(:,3),'b') % your actual plot
hold on
plot3(YOUT(1,1),YOUT(1,2),YOUT(1,3),'o','MarkerSize',10) % start point

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