MATLAB: How to sort points for plotting in MATLAB

plotplottingpoints

Hello! I've got a little question about plotting points. In my project, I'm getting x and y coordinates and plotting them just when I read them from the socket, and I get something like this:
Just after plotting the coordinates I'm indexing them in two different vectors (one for x coordinates and the other for y coordinates). The problem is, when I try to plot them again in another script (or in another figure) the result is not what I expected.
The code I use for plotting the points the second time is:
figure()
for i=1:1000         %1000 is the length of x_vector and y_vector
   plot(x_vector(i), y_vector(i), 'o')
   hold on
   axis([0 1920 0 1080]);
   set(gca, 'ydir', 'reverse', 'xaxislocation', 'top')
end
And this is the result of the previous code:
I guess that the second time I try to plot the two vectors plot is trying to print some linear function through some regression instead of printing the cloud of points I expect.
Thank you

Best Answer

Thank you all for helping me. As you said, the problem was how I was storing the coordinates. This comment from @dpb resumed the problem perfectly: https://es.mathworks.com/matlabcentral/answers/416020-how-can-i-plot-points-in-matlab#comment_602802
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