diff --git a/theorie-signal/exercices/tp1/.gitignore b/theorie-signal/exercices/tp1/.gitignore
new file mode 100644
index 0000000..ccc3f4c
--- /dev/null
+++ b/theorie-signal/exercices/tp1/.gitignore
@@ -0,0 +1 @@
+!x1_temporel.pdf
diff --git a/theorie-signal/exercices/tp1/x1_temporel.m b/theorie-signal/exercices/tp1/x1_temporel.m
index fbe7fb4..4b11614 100644
--- a/theorie-signal/exercices/tp1/x1_temporel.m
+++ b/theorie-signal/exercices/tp1/x1_temporel.m
@@ -1,6 +1,6 @@
 % x1 temporel
 f0 = 2;
-for N = [2,5,20,100]; % nombre delements de la DSF
+for N = [2,5,20,100] % nombre delements de la DSF
     fe = 50*N*f0;
     Tps = [0 :1/fe: 1-1/fe];
     a0 = 1/2;
diff --git a/theorie-signal/exercices/tp1/x1_temporel.pdf b/theorie-signal/exercices/tp1/x1_temporel.pdf
new file mode 100644
index 0000000..e0d5047
Binary files /dev/null and b/theorie-signal/exercices/tp1/x1_temporel.pdf differ
diff --git a/theorie-signal/exercices/tp1/x2_temporel.m b/theorie-signal/exercices/tp1/x2_temporel.m
index d0b125c..c70b306 100644
--- a/theorie-signal/exercices/tp1/x2_temporel.m
+++ b/theorie-signal/exercices/tp1/x2_temporel.m
@@ -1,7 +1,7 @@
 % x2 temporel
 r = 1/2;
 f0 = 2;
-for N = [2,5,20,100]; % nombre delements de la DSF
+for N = [2,5,20,100] % nombre delements de la DSF
     fe = 50*N*f0;
     Tps = [0 :1/fe: 1-1/fe];
     a0 = r;