diff --git a/Final/Final - Tight-binding propagation method.ipynb b/Final/Final - Tight-binding propagation method.ipynb
index 6139513..9f1f36e 100644
--- a/Final/Final - Tight-binding propagation method.ipynb	
+++ b/Final/Final - Tight-binding propagation method.ipynb	
@@ -526,7 +526,8 @@
     "sigma = .25\n",
     "\n",
     "positions = atomic_positions(n)\n",
-    "x = np.linspace(-10000, 10000, 1000000)\n",
+    "infty = 10000\n",
+    "x = np.linspace(-infty, infty, 1000000)\n",
     "\n",
     "for i in range(n):\n",
     "    for j in range(n):\n",