set_data() now expects sequences

Author: ageron

math_differential_calculus.ipynb

@@ -3136,8 +3136,8 @@
     "        offset = f_x - df_dx * x\n",
     "        line_tangent.set_data([x_min, x_max],\n",
     "                              [df_dx * x_min + offset, df_dx * x_max + offset])\n",
-    "        point_A1.set_data(x, f_x)\n",
-    "        point_A2.set_data(x, df_dx)\n",
+    "        point_A1.set_data([x], [f_x])\n",
+    "        point_A2.set_data([x], [df_dx])\n",
     "        return line_tangent, point_A1, point_A2\n",
     "\n",
     "    anim = animation.FuncAnimation(fig, update_graph,\n",
@@ -5154,8 +5154,8 @@
     "        offset = f_x - df_dx * x\n",
     "        line_tangent.set_data([x_min, x_max],\n",
     "                              [df_dx * x_min + offset, df_dx * x_max + offset])\n",
-    "        point_A1.set_data(x, f_x)\n",
-    "        point_A2.set_data(x, df_dx)\n",
+    "        point_A1.set_data([x], [f_x])\n",
+    "        point_A2.set_data([x], [df_dx])\n",
     "        return line_tangent, point_A1, point_A2\n",
     "\n",
     "    anim = animation.FuncAnimation(fig, update_graph,\n",