Drawing line from center to other three points

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BlueBee77
BlueBee77 2016-2-7
评论： Image Analyst 2016-2-7
I want to know if its possible to draw lines from a vector which has two points and is the central point to another vector that has 3 points. Bassically, it like drawing a line from center to three points. I am using Matlab.

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Image Analyst
Image Analyst 2016-2-7
编辑：Image Analyst 2016-2-7
Yes. You can use line() or plot();
line([xCenter, xVector(1)], [yCenter, yVector(1)], 'Color', 'r', 'LineWidth', 2);
line([xCenter, xVector(2)], [yCenter, yVector(2)], 'Color', 'r', 'LineWidth', 2);
line([xCenter, xVector(3)], [yCenter, yVector(3)], 'Color', 'r', 'LineWidth', 2);
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BlueBee77
BlueBee77 2016-2-7
It works. Thanks alot One thing more, how we can draw one plot on top of another. I want to draw the center point on the figure in which i extracted and plotted the boundary.
Image Analyst
Image Analyst 2016-2-7
Not sure what you mean. As long as you've set "hold on", you can just call plot().

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