MATLAB: Make certain plot markers invisible

invisiblemarkeroffplot

set(0,'DefaultLineMarkerSize',6);
plot(x,y,'red.-');
I have some points touching the x-axis (y-value is 0). For these particular points, I want to make the markers invisible.
http://imageshack.us/a/img801/4608/needtofix.png
Also, I want all the points to be plotted. So plot(x,y(y>0),'red.-'); where x is modified earlier in the script to have the same vector length as y(y>0) wouldn't work.
Any help is appreciated. Thanks!

Best Answer

You cannot modify individual markers of a line() or lineseries() object such as are created by line() or plot().
What you can do is plot() without the markers and the scatter() the markers into place. Or you can plot() without the markers and the plot() again with
hold on; plot(x(y>0), y(y>0), 'r.')
which would plot only markers at those locations, with no lines.
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