layout fixes

Author: rasbt

code/ch14/ch14.ipynb

@@ -248,11 +248,11 @@
     "    b = tf.constant(2, name='b') \n",
     "    c = tf.constant(3, name='c') \n",
     "\n",
-    "    t = 2*(a-b) + c\n",
+    "    z = 2*(a-b) + c\n",
     "    \n",
     "## launch the graph\n",
     "with tf.Session(graph=g) as sess:\n",
-    "    print('2*(a-b)+c => ', sess.run(t))"
+    "    print('2*(a-b)+c => ', sess.run(z))"
    ]
   },
   {
@@ -1331,7 +1331,7 @@
     "    t1 = tf.ones(shape=(10, 1), \n",
     "                 dtype=tf.float32, name='t1')\n",
     "    t2 = tf.zeros(shape=(10, 1),\n",
-    "                 dtype=tf.float32, name='t1')\n",
+    "                 dtype=tf.float32, name='t2')\n",
     "    print(t1)\n",
     "    print(t2)\n",
     "    \n",