problem about plot 'x =2'

I have 2 question about plot

One . I want to draw a plot 'X = 2' just straight line like picture

Two .And I want to use fullcrosshair mouse style but I realized it can't use anymore in R2015a So have any function or know about similar mouse style Plz tell me ,,,

[Image Analyst]

I don't understand "fullcrosshair mouse style". What is that? Don't you just want the plot exactly as you've shown it? There is no crosshairs or cursor on that plot.

[pty0220]

like this !! fullcrosshair

[KSSV]

Have you tried this? http://www.mathworks.com/matlabcentral/fileexchange/1038-plot-crosshairs

[Image Analyst]

ginput() will give those, and they move with the mouse. If you want non-moving, static lines, use the line() function.

Answer 1

[Julian Hapke]

for Q1:

figure;plot([2 2],[-1000 1000],'r')