i need to get data from list box as matrix like if i have list box and have values i need to order value as matix

4
5
5
7
8
5
4
3

i want get matrix

a=[4 5 5 7;8 5 4 3];

Answer 1

[Walter Roberson]

   a = reshape( str2double(get(handles.listbox1, 'String')), [], 2);

[Walter Roberson]

If the data is in two text columns in the listbox, then

   a = str2num(get(handles.listbox1, 'String'));