square root on an interval

how to make a figure of the square root on the interval [0,2]. The figure should be smooth, not angular?

Answer 1

[Ameer Hamza]

One way is to use fplot()

f = @(x) sqrt(x)
fplot(f, [0 2])

[Jens Petit-jean]

thanks, but why do you use the @ in front of (x)?

[Ameer Hamza]

This creates a function handle. Read about function handle here: https://www.mathworks.com/help/matlab/function-handles.html

[Jens Petit-jean]

okay thank you very much!

[Ameer Hamza]

I am glad to be of help!!!