How to make a graph with nodes and edges

Hello!

I am trying to use the function graph but I get the error.

Undefined function or variable 'graph'.

I am trying to make some graph like this one

[KSSV]

To use this you need to have graph tool box....

Answer 1

[Sean de Wolski]

What version of MATLAB are you using? graph() was introduced in R2015b

[Nora Khaled]

Yes, it seems this is the problem.

I tryed it on an another machine and it works.

Do you know how to make the graphs look like in the picture.

(white circuls with a bigger radiuse)