Hi,
One issue with the script you have attached is it creates a figure with x and y ticks between 0 and 1, with a difference of 0.1 for each. You are trying to place your text at (-1,0) which is not visible. So, try changing the position of your text.
Secondly, the Interpreter property for text is by default set to Tex, you need to set it to Latex to use ‘overrightarrow’.
Try using the following command:
figure(1)
t = text(0.1,0.2,'\overrightarrow{n}');
set(t,’Interpreter’,’latex’);
Hope this works!
