How Coordinates form Array List with Comma

Hi,

      I am new for mat-lab , I have input video file , need to form like ?
Example:
if true
  % code
for int i=1:2
matrix{1,i}=[co-ordinate_x; co-ordinate_y;co-ordinate_xx;co-ordinate_y_y;co-ordinate_z_x;co-ordinate_z_y;co-ordinate_p_x;co-ordinate_p_y];
end

matrix=[[318, 323, 197, 357, 258, 303, 258, 350], [318, 323, 197, 357, 258, 303, 258, 350]]] % here how i could i form above 1-by-8 matrix each input video frame values like... end