guidelistboxMATLAB

Hello, i have posted some questions before about listbox but none give an answer….
my question is simple
i have this matrix:
a=1:1:10 % this is 1 2 3 4 5 6 7 8 9 10
i would like to load these numbers into a listbox, but i dont know how, must i change these numbers to char???
how ca i do this???? thanks in advance

a=1:1:10;b=num2cell(a);
set(handles.my_pop,'String',b);