Fixed Broken Header

For some reason the Heading 1 cell cannot accept \infty latex.
I am sure this used to work; I have done some updates so perhaps
something changed?

08_Designing_Kalman_Filters/Designing_Kalman_Filters.ipynb

@@ -1,7 +1,7 @@
 {
  "metadata": {
   "name": "",
-  "signature": "sha256:94fc7a6878c4e0d59e4a1f38278285a034bc499fafe124ac9caa33b209cf1ce5"
+  "signature": "sha256:d7093e4e68ab277cdf9c863a616b65419ddcbbd2b8607abd8a043e73048fdf03"
  },
  "nbformat": 3,
  "nbformat_minor": 0,
@@ -261,7 +261,7 @@
        "output_type": "pyout",
        "prompt_number": 1,
        "text": [
-        "<IPython.core.display.HTML at 0x7f8959eac128>"
+        "<IPython.core.display.HTML at 0x7f07c9bf9400>"
        ]
       }
      ],

13_HInfinity_Filters/HInfinity_Filters.ipynb

@@ -16,11 +16,10 @@
      ]
     },
     {
-     "cell_type": "heading",
-     "level": 1,
+     "cell_type": "markdown",
      "metadata": {},
      "source": [
-      "$H_\\infty$ filter"
+      " # $H_\\infty$ filter"
      ]
     },
     {
@@ -299,7 +298,6 @@
       "             [0., 1.]])\n",
       "\n",
       "f.H = array([[0., 1.]])\n",
-      "#f.x = array([[0., 0.]]).T\n",
       "f.G = array([[dt**2 / 2, dt]]).T\n",
       "\n",
       "f.P = 0.01\n",

clean_book.sh

@@ -1,6 +1,9 @@
 #! /bin/bash
 rm --f *.tex
 rm --f *.toc
+rm --f *.aux
+rm --f *.log
+rm --f *.out
 rm --f ./*_files/*.png
 rm --f Kalman_and_Bayesian_Filters_in_Python.ipynb
 rm --f Kalman_and_Bayesian_Filters_in_Python.toc