disp(‘hello world’);

disp (‘hello world’);

Answer 1

[Chris]

disp ('hello world');

hello world

Your apostrophes are wrong. How did you generate them? Here is your version:

disp (‘hello world’);

Invalid text character. Check for unsupported symbol, invisible character, or pasting of non-ASCII characters.

Error in connector.internal.fevalMatlab

Error in connector.internal.fevalJSON

You could also use double quotes: " "