Hello guys can u help me to add vertical line on my probability density function, this is my code x=[-5:0.1:5]; a=normpdf(x,1,1); z=normpdf(x,3,2); plot(x,a,'b',x,z,'r') legend('normal signal','abnormal signal') ylabel('probability density function')

[Lucademicus]

Could you remove your code from the title and place it in the your message?

Answer 1

[Lucademicus]

From release 2018b you could use the function xline

Answer 2

[Stephan]

use xline:

xline(1)

for example.