diff --git a/notebooks/geometry_and_monocular.ipynb b/notebooks/geometry_and_monocular.ipynb
index e7a8fb1..92f7c46 100644
--- a/notebooks/geometry_and_monocular.ipynb
+++ b/notebooks/geometry_and_monocular.ipynb
@@ -304,7 +304,7 @@
     "def translate(points, t):\n",
     "    pass\n",
     "\n",
-    "translated_points = translate(points, t)"
+    "translated_points = translate(rotated_points, t)"
    ]
   },
   {
@@ -324,7 +324,7 @@
    "outputs": [],
    "source": [
     "def make_homogenous(points):\n",
-    "    return np.hstack([points, np.ones(points.shape[0])])\n",
+    "    return np.hstack([points, np.ones(points.shape[0]).reshape((points.shape[0], 1))])\n",
     "\n",
     "# вставьте движение точек с помощью однородных координат сюда. отобразите результат\n",
     "def move(points, rot_mat, t):\n",
@@ -417,7 +417,7 @@
     "    \n",
     "    def project(self, points):\n",
     "        if points.shape[1] == 3:\n",
-    "            homo_pts = self.K.dot(translate(rotate(points, self.R), self.t)).T\n",
+    "            homo_pts = self.K.dot(translate(rotate(points, self.R), self.t).T).T\n",
     "        elif points.shape[1] == 4:\n",
     "            homo_pts = self.P.dot(points.T)\n",
     "        else:\n",
@@ -580,7 +580,7 @@
     "                          dtype='float64')\n",
     "\n",
     "#камера расположена немного левее начала с.к.\n",
-    "R_cam = np.ones((3,3), dtype='float64')\n",
+    "R_cam = np.identity(3, dtype='float64')\n",
     "t_cam = np.array([5.956621e-02, 2.900141e-04, 2.577209e-03],\n",
     "                 dtype='float64')\n",
     "img_size = image.shape"