diff --git a/notebook/quantum-mechanics/shooting_method.ipynb b/notebook/quantum-mechanics/shooting_method.ipynb
index e9ef905..dd11b1e 100644
--- a/notebook/quantum-mechanics/shooting_method.ipynb
+++ b/notebook/quantum-mechanics/shooting_method.ipynb
@@ -106,7 +106,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 1,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -115,13 +115,13 @@
     "from numpy import linspace, sqrt, ones, arange, diag, argsort, zeros\n",
     "from scipy.linalg import eigh_tridiagonal\n",
     "import matplotlib.pyplot as plt\n",
-    "from ipywidgets import FloatSlider, jslink, VBox, HBox, Button, Label, Layout, Checkbox, Output\n",
+    "from ipywidgets import FloatSlider, jslink, VBox, HBox, Button, Label, Layout, AppLayout, Checkbox, Output\n",
     "import numpy as np"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 2,
    "metadata": {},
    "outputs": [],
    "source": [
@@ -221,32 +221,18 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": 3,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "0c205274437f4883b6b9a654632ebc51",
+       "model_id": "71b830916f404fb08f740ad0ea47e840",
        "version_major": 2,
        "version_minor": 0
       },
       "text/plain": [
-       "HBox(children=(VBox(children=(Label(value='Targeted eigenvalue'), HBox(children=(FloatSlider(value=-0.03, layo…"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "application/vnd.jupyter.widget-view+json": {
-       "model_id": "7befa6aa973542e698ef88e678524448",
-       "version_major": 2,
-       "version_minor": 0
-      },
-      "text/plain": [
-       "Output()"
+       "AppLayout(children=(VBox(children=(Label(value='Targeted eigenvalue'), HBox(children=(FloatSlider(value=-0.03,…"
       ]
      },
      "metadata": {},
@@ -484,7 +470,7 @@
     "label3 = Label(value=\"(click on a state to select it)\")\n",
     "label4 = Label(value=\"(tune to zoom the eigenfunctions)\")\n",
     "\n",
-    "full_layout=HBox([VBox([label1, HBox([loop1, loop2, loop3, loop4]), Leng, search, order, label2, flip]),output])\n",
+    "full_layout=AppLayout(left_sidebar=VBox([label1, HBox([loop1, loop2, loop3, loop4]), Leng, search, order, label2, flip]),center=output,right_sidebar=None)\n",
     "display(full_layout)"
    ]
   },
@@ -497,13 +483,13 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
+   "execution_count": 4,
    "metadata": {},
    "outputs": [
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "d36195895f1c408c806c02869c447a75",
+       "model_id": "8d6196df0174453ca1a8662d5fc121d3",
        "version_major": 2,
        "version_minor": 0
       },
@@ -517,7 +503,7 @@
     {
      "data": {
       "application/vnd.jupyter.widget-view+json": {
-       "model_id": "028876bb1fec458ab2cf5bc547bd4011",
+       "model_id": "44a2d7e7ed2745f881463b76be807edc",
        "version_major": 2,
        "version_minor": 0
       },