Problem with the title of a graph

I want to write on the title pf the graph the function that i'm plotting, the function is insert in the command window.

fun=x^2-2;
title(['The graph of ',fun])

[Adriano Filippo Inno]

May with the following line:

title(['The graph of ',func2str(fun)])

[madhan ravi]

@Adriano: I suggest you to move your comment to the answer section below.

Answer 1

[KSSV]

title('The graph of (x^2-2)')