Connecting points in a scatter plot and measuring the angle

Good afternoon,

the attached image is what is obtained when i ran this progam.

How do i connect the points and find the angle between them

thank you.

I = imread ('MR.png')

imshow (I)

disp('Click the mouse wherever in the figure; press ENTER when finished.');

mousePointCoords = ginput;

% plot the mouse point coordinates on the figure

plot(mousePointCoords(:,1), mousePointCoords(:,2),'b.','MarkerSize',8);

Answer 1

[KSSV]

For points (x1,y1) and (x2,y2) use atan2(y2-y1,x2-x1) to get angle.

Use plot to plot them as a line.

[Zo]

thank you very much!!