How to plot mutiple vertical lines over x axis ?

Hi all,

I would like to plot multiple vertical lines in force_y_r as specified by x1 and x 2

force_y_r is 9607x1 double matrix (attached)

x1 = [1649;2883;4029;5097;6230;7324;8432;9518];

x2 = [2482;3628;4706;5852;6946;8036;9149]

The below gives me an error. Could you please help?

load 'signal'
plot(force_y_r); hold on
    plot([x1; x1], repmat(ylim',1,size(x1,2)), '--r')
    plot([x2; x2], repmat(ylim',1,size(x2,2)), '--r')
    hold off
    
    Error using plot
Vectors must be the same length.

Answer 1

[Simon Chan]

User function xline is easier.

[Tomaszzz]

@Simon Chan Many thanks. Still dont get it right.

plot(force_y_r,); hold on; xline([x1 x2],'--')
Error using xline (line 29)
Passing multiple values to ConstantLine is not supported.