What is syntax to set second index of listbox to a certain value?

For the first index the syntax is simple:

set(hObject,'String',5); if I want it set it to 5

Also, I know I can set the first and second indexes by doing the following:

set(hObject,'String',{5,5});

How do I just set the second index equal to 5???

Answer 1

[Azzi Abdelmalek]

a=get(handles.listbox1,'String')
a{2}=5
set(handles.listbox1,'String',a)