Simplifying plt.subplot() and adding back rows, columns, and n variables

Author: lucifertrj

site/en/tutorials/audio/simple_audio.ipynb

@@ -11,7 +11,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 1,
    "metadata": {
     "cellView": "form",
     "id": "AJs7HHFmg1M9"
@@ -104,11 +104,26 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 2,
    "metadata": {
     "id": "dzLKpmZICaWN"
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "2023-02-21 23:30:16.927226: I tensorflow/core/platform/cpu_feature_guard.cc:193] This TensorFlow binary is optimized with oneAPI Deep Neural Network Library (oneDNN) to use the following CPU instructions in performance-critical operations:  AVX2 AVX512F AVX512_VNNI FMA\n",
+      "To enable them in other operations, rebuild TensorFlow with the appropriate compiler flags.\n",
+      "2023-02-21 23:30:22.964311: I tensorflow/core/util/port.cc:104] oneDNN custom operations are on. You may see slightly different numerical results due to floating-point round-off errors from different computation orders. To turn them off, set the environment variable `TF_ENABLE_ONEDNN_OPTS=0`.\n",
+      "2023-02-21 23:30:25.215418: W tensorflow/compiler/xla/stream_executor/platform/default/dso_loader.cc:64] Could not load dynamic library 'libcudart.so.11.0'; dlerror: libcudart.so.11.0: cannot open shared object file: No such file or directory\n",
+      "2023-02-21 23:30:25.215454: I tensorflow/compiler/xla/stream_executor/cuda/cudart_stub.cc:29] Ignore above cudart dlerror if you do not have a GPU set up on your machine.\n",
+      "2023-02-21 23:30:46.622463: W tensorflow/compiler/xla/stream_executor/platform/default/dso_loader.cc:64] Could not load dynamic library 'libnvinfer.so.7'; dlerror: libnvinfer.so.7: cannot open shared object file: No such file or directory\n",
+      "2023-02-21 23:30:46.622808: W tensorflow/compiler/xla/stream_executor/platform/default/dso_loader.cc:64] Could not load dynamic library 'libnvinfer_plugin.so.7'; dlerror: libnvinfer_plugin.so.7: cannot open shared object file: No such file or directory\n",
+      "2023-02-21 23:30:46.622837: W tensorflow/compiler/tf2tensorrt/utils/py_utils.cc:38] TF-TRT Warning: Cannot dlopen some TensorRT libraries. If you would like to use Nvidia GPU with TensorRT, please make sure the missing libraries mentioned above are installed properly.\n"
+     ]
+    }
+   ],
    "source": [
     "import os\n",
     "import pathlib\n",
@@ -143,11 +158,29 @@
   },
   {
    "cell_type": "code",
-   "execution_count": null,
+   "execution_count": 3,
    "metadata": {
     "id": "2-rayb7-3Y0I"
    },
-   "outputs": [],
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Downloading data from http://storage.googleapis.com/download.tensorflow.org/data/mini_speech_commands.zip\n",
+      "112967680/182082353 [=================>............] - ETA: 1:08"
+     ]
+    },
+    {
+     "name": "stderr",
+     "output_type": "stream",
+     "text": [
+      "\n",
+      "KeyboardInterrupt\n",
+      "\n"
+     ]
+    }
+   ],
    "source": [
     "DATASET_PATH = 'data/mini_speech_commands'\n",
     "\n",
@@ -322,14 +355,17 @@
    },
    "outputs": [],
    "source": [
-    "plt.figure(figsize=(16,10))\n",
-    "for i in range(9):\n",
-    "  plt.subplot(3,3,i+1)\n",
-    "  audio_signal = example_audio.numpy()[i]\n",
+    "plt.figure(figsize=(16, 10))\n",
+    "rows = 3\n",
+    "cols = 3\n",
+    "n = rows * cols\n",
+    "for i in range(n):\n",
+    "  plt.subplot(3, 3, i+1)\n",
+    "  audio_signal = example_audio[i]\n",
     "  plt.plot(audio_signal)\n",
     "  plt.title(label_names[example_labels[i]])\n",
     "  plt.yticks(np.arange(-1.2, 1.2, 0.2))\n",
-    "  plt.ylim([-1.1,1.1])"
+    "  plt.ylim([-1.1, 1.1])"
    ]
   },
   {