How do I get MATLAB to do overlapping plots, ie. not erase the old plot when adding to it?

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Zach
Zach 2011-6-14
I'm creating a GUI that gets a 'robot' to map out an area, so I need the robot to draw a circle at every different time step to track where it's been.
Is there any way that I can have all these plots overlap without having them on the same plot line? In other words, is a way for the plot function to not erase what was just on the plot screen?

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Andrew Newell
Andrew Newell 2011-6-14
Assuming you are not creating new axes each time ( e.g., using subplot) try
hold on
after creating the initial figure.

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