How to insert \ell in text box on figure in matlab? I have a plot in matlab and want to insert a text box write inside ell symbol. Till now i couldn't do it. I wrote '\ell','interpreter','latex' but it doesn't accept. I appreciate If anyone could help. Thanks.
Here is an example how you may do it;

plot([0 2 1]);
text(2,1,'$\ell$','interpreter','latex','fontsize',30);