diff --git a/index.org b/index.org
index e778e59..3be1fa4 100644
--- a/index.org
+++ b/index.org
@@ -1,3 +1,4 @@
+<<<<<<< HEAD
 #+TITLE:Test of Cercalo
 :DRAWER:
 #+STARTUP: overview
@@ -10,3 +11,62 @@
 #+PROPERTY: header-args:matlab+ :eval no-export
 #+PROPERTY: header-args:matlab+ :output-dir figs
 :END:
+=======
+#+TITLE: Cercalo Test Bench
+:DRAWER:
+#+STARTUP: overview
+
+#+LANGUAGE: en
+#+EMAIL: dehaeze.thomas@gmail.com
+#+AUTHOR: Dehaeze Thomas
+
+#+PROPERTY: header-args:matlab  :session *MATLAB*
+#+PROPERTY: header-args:matlab+ :comments org
+#+PROPERTY: header-args:matlab+ :results none
+#+PROPERTY: header-args:matlab+ :exports both
+#+PROPERTY: header-args:matlab+ :eval no-export
+#+PROPERTY: header-args:matlab+ :output-dir figs
+#+PROPERTY: header-args:matlab+ :tangle matlab/frf_processing.m
+#+PROPERTY: header-args:matlab+ :mkdirp yes
+:END:
+
+
+* Matlab Init                                               :noexport:ignore:
+#+begin_src matlab :tangle no :exports none :results silent :noweb yes :var current_dir=(file-name-directory buffer-file-name)
+  <<matlab-dir>>
+#+end_src
+
+#+begin_src matlab :exports none :results silent :noweb yes
+  <<matlab-init>>
+#+end_src
+
+* Identification of the Plant
+#+begin_src matlab
+  fs = 1e4;
+  Ts = 1/fs;
+#+end_src
+
+We generate white noise with the "random number" simulink block, and we filter that noise.
+
+#+begin_src matlab
+  Gi = (1)/(1+s/2/pi/100);
+#+end_src
+
+#+begin_src matlab :results output replace
+  c2d(Gi, Ts, 'tustin')
+#+end_src
+
+#+RESULTS:
+#+begin_example
+c2d(Gi, Ts, 'tustin')
+
+ans =
+
+  0.059117 (z+1)
+  --------------
+    (z-0.8818)
+
+Sample time: 0.0001 seconds
+Discrete-time zero/pole/gain model.
+#+end_example
+>>>>>>> add index.org