diff --git a/test.m b/test.m
new file mode 100644
index 0000000..bd07740
--- /dev/null
+++ b/test.m
@@ -0,0 +1,34 @@
+clc
+clear all
+close all
+
+fichier = 'Dataset\Shear_Wave_Rot00_CSV_Data\Shear_x001-x101_y010_Rot00.csv';
+
+donnees = readtable(fichier);
+
+first_row = table2array(donnees(1,:));
+
+m_hat = abs(hilbert(first_row));
+%filtre passe bas
+fs=600.0;
+cutoff=3.667;
+order=5;
+nyq = 0.5 * fs;
+normal_cutoff = cutoff / nyq;
+[b, a] = butter(order, normal_cutoff, 'low');
+filtered_m_hat = filter(b, a, m_hat);
+
+plot(first_row);
+title('Graphe de first\_row');
+xlabel('Indice');
+ylabel('|first\_row|');
+figure
+plot(m_hat);
+title('Graphe de m\_hat');
+xlabel('Indice');
+ylabel('|m\_hat|');
+figure
+plot(filtered_m_hat);
+title('Graphe de filtered\_m\_hat');
+xlabel('Indice');
+ylabel('|filtered\_m\_hat|');