How to give g variable (which is vector) into char() function

Hi my first lab's (which is about meeting MATLAB) guide says give g vector to char() function as a parameter. And problem is i got no idea about char() function. please help me

Answer 1

[Roger Stafford]

Study this carefully:

   http://www.mathworks.com/help/matlab/ref/char.html

[Bilguun Chinzorig]

appreciated