symbolic representations

symbolic_representations.ipynb

@@ -2,58 +2,13 @@
  "cells": [
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 1,
    "metadata": {
-    "collapsed": false
+    "collapsed": true
    },
-   "outputs": [
-    {
-     "data": {
-      "text/html": [
-       "\n",
-       "<script>\n",
-       "$(function() {\n",
-       "    if ($(\"body.notebook_app\").length == 0) {\n",
-       "        $(\".input\").hide(); \n",
-       "    }\n",
-       "});\n",
-       "</script>\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    },
-    {
-     "data": {
-      "text/html": [
-       "\n",
-       "<button onclick=\"$('.input').show();\">Show input</button>\n",
-       "<button onclick=\"$('.input').hide();\">Hide input</button>\n"
-      ]
-     },
-     "metadata": {},
-     "output_type": "display_data"
-    }
-   ],
+   "outputs": [],
    "source": [
-    "import IPython.display as ipd\n",
-    "\n",
-    "# Hide code by default when the notebook is exported as HTML.\n",
-    "ipd.display_html('''\n",
-    "<script>\n",
-    "$(function() {\n",
-    "    if ($(\"body.notebook_app\").length == 0) {\n",
-    "        $(\".input\").hide(); \n",
-    "    }\n",
-    "});\n",
-    "</script>\n",
-    "''', raw=True)\n",
-    "\n",
-    "# Create HTML buttons to show or hide IPython input cells.\n",
-    "ipd.display_html('''\n",
-    "<button onclick=\"$('.input').show();\">Show input</button>\n",
-    "<button onclick=\"$('.input').hide();\">Hide input</button>\n",
-    "''', raw=True)"
+    "import IPython.display as ipd"
    ]
   },
   {
@@ -90,15 +45,15 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "Around the late 19th and early 20th centuries, self-playing pianos called **player pianos** became popular. The input for these pianos is a continuous roll of paper with holes punched into it. This paper roll is called a **piano roll**. Performances by famous musicians such as Gustav Mahler, Edvard Grieg, Scott Joplin and George Gershwin have been recorded onto piano rolls. Here is a player piano in action:"
+    "Around the late 19th and early 20th centuries, self-playing pianos called **player pianos** became popular. The input for these pianos is a continuous roll of paper with holes punched into it. This paper roll is called a **piano roll**. Performances by famous musicians such as Gustav Mahler, Edvard Grieg, Scott Joplin and George Gershwin have been recorded onto piano rolls. \n",
+    "\n",
+    "Similar to the player piano, the pianola is not a player piano but it sits in front of a piano. Here is a pianola in action:"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
-   "metadata": {
-    "collapsed": false
-   },
+   "execution_count": 4,
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -108,14 +63,14 @@
        "        <iframe\n",
        "            width=\"400\"\n",
        "            height=\"300\"\n",
-       "            src=\"https://www.youtube.com/embed/2A6ZXZwl3nA\"\n",
+       "            src=\"https://www.youtube.com/embed/2A6ZXZwl3nA?start=106\"\n",
        "            frameborder=\"0\"\n",
        "            allowfullscreen\n",
        "        ></iframe>\n",
        "        "
       ],
       "text/plain": [
-       "<IPython.lib.display.YouTubeVideo at 0x112e86650>"
+       "<IPython.lib.display.YouTubeVideo at 0x107107310>"
       ]
      },
      "metadata": {},
@@ -123,7 +78,7 @@
     }
    ],
    "source": [
-    "ipd.display( ipd.YouTubeVideo(\"2A6ZXZwl3nA\") )"
+    "ipd.display( ipd.YouTubeVideo(\"2A6ZXZwl3nA\", start=106) )"
    ]
   },
   {
@@ -135,10 +90,8 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
-   "metadata": {
-    "collapsed": false
-   },
+   "execution_count": 6,
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -148,14 +101,14 @@
        "        <iframe\n",
        "            width=\"400\"\n",
        "            height=\"300\"\n",
-       "            src=\"https://www.youtube.com/embed/LlvUepMa31o\"\n",
+       "            src=\"https://www.youtube.com/embed/LlvUepMa31o?start=15\"\n",
        "            frameborder=\"0\"\n",
        "            allowfullscreen\n",
        "        ></iframe>\n",
        "        "
       ],
       "text/plain": [
-       "<IPython.lib.display.YouTubeVideo at 0x112e19dd0>"
+       "<IPython.lib.display.YouTubeVideo at 0x1071078d0>"
       ]
      },
      "metadata": {},
@@ -163,15 +116,13 @@
     }
    ],
    "source": [
-    "ipd.display( ipd.YouTubeVideo(\"LlvUepMa31o\") )"
+    "ipd.display( ipd.YouTubeVideo(\"LlvUepMa31o\", start=15) )"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 8,
-   "metadata": {
-    "collapsed": false
-   },
+   "execution_count": 7,
+   "metadata": {},
    "outputs": [
     {
      "data": {
@@ -181,14 +132,14 @@
        "        <iframe\n",
        "            width=\"400\"\n",
        "            height=\"300\"\n",
-       "            src=\"https://www.youtube.com/embed/Kri2jWr08S4\"\n",
+       "            src=\"https://www.youtube.com/embed/Kri2jWr08S4?start=11\"\n",
        "            frameborder=\"0\"\n",
        "            allowfullscreen\n",
        "        ></iframe>\n",
        "        "
       ],
       "text/plain": [
-       "<IPython.lib.display.YouTubeVideo at 0x112e19ed0>"
+       "<IPython.lib.display.YouTubeVideo at 0x107107990>"
       ]
      },
      "metadata": {},
@@ -196,7 +147,7 @@
     }
    ],
    "source": [
-    "ipd.display( ipd.YouTubeVideo(\"Kri2jWr08S4\") )"
+    "ipd.display( ipd.YouTubeVideo(\"Kri2jWr08S4\", start=11) )"
    ]
   },
   {
@@ -334,9 +285,9 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython2",
-   "version": "2.7.10"
+   "version": "2.7.13"
   }
  },
  "nbformat": 4,
- "nbformat_minor": 0
+ "nbformat_minor": 1
 }