add version info to Jupyter tutorial

Author: murrayrm

examples/python-control_tutorial.ipynb

@@ -5,9 +5,7 @@
    "id": "numerous-rochester",
    "metadata": {},
    "source": [
-    "# Introduction to the Python Control Systems Library (python-control)\n",
-    "\n",
-    "Richard M. Murray, 13 Nov 2021 (updated 26 Dec 2024)\n",
+    "# Python Control Systems Library (python-control) Tutorial\n",
     "\n",
     "This Jupyter notebook contains an introduction to the basic operations in the Python Control Systems Library (python-control), a Python package for control system design.  The tutorial consists of two examples:\n",
     "\n",
@@ -1209,13 +1207,35 @@
     "We see that there is a small error in each axis.  By adjusting the weights in the LQR controller we can adjust the steady state error (try it!)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "03b1fd75-579c-47da-805d-68f155957084",
+   "metadata": {},
+   "source": [
+    "## Computing environment"
+   ]
+  },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "id": "f31dd981-161a-49f0-a637-84128f7ec5ff",
+   "execution_count": 31,
+   "id": "280d8d0e-38bc-484c-8ed5-fd6a7f2b56b5",
    "metadata": {},
-   "outputs": [],
-   "source": []
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Control version: 0.10.1.dev324+g2fd3802a.d20241218\n",
+      "Slycot installed: True\n",
+      "NumPy version: 2.2.0\n"
+     ]
+    }
+   ],
+   "source": [
+    "print(\"Control version:\", ct.__version__)\n",
+    "print(\"Slycot installed:\", ct.slycot_check())\n",
+    "print(\"NumPy version:\", np.__version__)"
+   ]
   }
  ],
  "metadata": {