diff --git a/includes/tab.h b/includes/tab.h
index c8ec3e08e7ba26d777704a0bfe0842192270fd08..cede5f382478f1f82bf83e9a50a8cbc0ff35eb92 100644
--- a/includes/tab.h
+++ b/includes/tab.h
@@ -4,6 +4,7 @@
 #include <iostream>
 #include <limits>
 #include <iomanip>
+#include <vector>
 
 /**
 * La classe Meteriaux représente un materiaux.
@@ -42,6 +43,7 @@ class Materiaux
 
 };
 
+vector<double> resolution(double lambda, vector<double> T);
 void settab(Materiaux mat, int u0, double f);
 void settab2D(Materiaux mat, int u0, double f);