diff --git a/TP-EDP.ipynb b/TP-EDP.ipynb
index 3d64577..48030a5 100644
--- a/TP-EDP.ipynb
+++ b/TP-EDP.ipynb
@@ -132,11 +132,11 @@
    "outputs": [],
    "source": [
     "def f(x, y):\n",
-    "    return 2 * np.pi ** 2 * np.sin(np.pi * x) * np.sin(np.pi * y)\n",
-    "    # try:\n",
-    "    #     return np.ones(x.shape[0])\n",
-    "    # except:\n",
-    "    #     return 1\n",
+    "    # return 2 * np.pi ** 2 * np.sin(np.pi * x) * np.sin(np.pi * y)\n",
+    "    try:\n",
+    "        return np.ones(x.shape[0])\n",
+    "    except:\n",
+    "        return 1\n",
     "\n",
     "\n",
     "def u_ex(x, y):\n",