04_Tensorflow_Math.ipynb

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   "cell_type": "code",
   "execution_count": 1,
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   "source": [
    "import os\n",
    "os.environ['TF_CPP_MIN_LOG_LEVEL'] = '3'\n",
    "import tensorflow.compat.v1 as tf\n",
    "tf.compat.v1.logging.set_verbosity(tf.compat.v1.logging.ERROR)\n",
    "tf.enable_eager_execution() "
   ]
  },
  {
   "cell_type": "markdown",
   "id": "de770109",
   "metadata": {},
   "source": [
    "## Math Ops"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "61ba5fb1",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
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     "text": [
      "7\n",
      "6\n",
      "10\n"
     ]
    }
   ],
   "source": [
    "x = tf.add(5, 2)\n",
    "y = tf.subtract(10, 4)\n",
    "z = tf.multiply(2, 5)\n",
    "\n",
    "print(x.numpy())\n",
    "print(y.numpy())\n",
    "print(z.numpy())"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "6759c51a",
   "metadata": {},
   "source": [
    "## Type Conversion"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "c1efadbd",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "1\n"
     ]
    }
   ],
   "source": [
    "# Use tf.cast to convert tensor type\n",
    "z = tf.subtract(tf.cast(tf.constant(2.0), tf.int32), tf.constant(1))\n",
    "print(z.numpy())"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "9d816a09",
   "metadata": {},
   "source": [
    "## Quiz"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "dbfe67b7",
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   "outputs": [],
   "source": [
    "# TODO: Convert the following to TensorFlow:\n",
    "x = 10\n",
    "y = 2\n",
    "z = x/y - 1\n",
    "\n",
    "# TODO: Print z from a session"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "8deb4780",
   "metadata": {},
   "source": [
    "## Solution"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "21175f36",
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "4.0\n"
     ]
    }
   ],
   "source": [
    "with tf.Session() as sess:\n",
    "    # TODO: Convert the following to TensorFlow:\n",
    "    x = tf.constant(10)\n",
    "    y = tf.constant(2)\n",
    "    z = tf.subtract(tf.divide(x,y),tf.cast(tf.constant(1), tf.float64))\n",
    "\n",
    "    # TODO: Print z from a session\n",
    "    output = sess.run(z)\n",
    "    print(output)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "id": "4bc84908",
   "metadata": {},
   "outputs": [],
   "source": []
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