diff --git a/RGB_traces.m b/RGB_traces.m
index cc80136..6f7ff06 100644
--- a/RGB_traces.m
+++ b/RGB_traces.m
@@ -1,28 +1,27 @@
-## Copyright (C) 2023 Loic
-##
-## This program is free software: you can redistribute it and/or modify
-## it under the terms of the GNU General Public License as published by
-## the Free Software Foundation, either version 3 of the License, or
-## (at your option) any later version.
-##
-## This program is distributed in the hope that it will be useful,
-## but WITHOUT ANY WARRANTY; without even the implied warranty of
-## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-## GNU General Public License for more details.
-##
-## You should have received a copy of the GNU General Public License
-## along with this program.  If not, see <https://www.gnu.org/licenses/>.
+%%%%%%%%%%%%%%%%%%%%%
+% function RGB_avg = RGB_traces (input1)
+% ex. RGB_avgs = 2DRotationMatrix('frame0.jpg')
+%
+% Task: Extracting the average RGB values of a frame
+%
+% Inputs: 
+%	- input1: frame adress on pc
+%
+% Output:
+%	-RGB_avg: a 1x3 matrix with the RGB average values, format -> [R, G, B]
+%
+% author: Loic Delattre (loic.delattre@ecam.fr)
+% date: 06/02/2023
+%%%%%%%%%%%%%%%%%%%%%
 
-## -*- texinfo -*-
-## @deftypefn {} {@var{retval} =} RGB_traces (@var{input1}, @var{input2})
-##
-## @seealso{}
-## @end deftypefn
-
-## Author: Loic <Loic@LAPTOP-1F7SF0F7>
-## Created: 2023-02-06
-
-function retval = RGB_traces (image, iter)
+function RGB_avg = RGB_traces (image)
   I = imread (image);
-  
+  RGB_avg = [];
+  i = 3;
+  j = 1;
+  while i >= 1
+    RGB_avg(j) = matrix_avg (I(:,:,i));
+    j = j + 1;
+    i = i - 1;
+  endwhile
 endfunction