add text to value of a plot

I have a plot with x axis takes the value 1, 2, 3,.... I want to add a text "day" to these values so that they will be "Day 1","Day 2", "Day 3",... I did not find a relevant post on the Internet.

Answer 1

[Star Strider]

if you have R2016b or later, use the xtickformat function to do what you want.

Example —

x = 1:10
y = rand(1,10);

figure
plot(x, y)
xtickformat('Day %g')

producing:

.