{
 "metadata": {
  "language": "Julia",
  "name": "",
  "signature": "sha256:f611914185778ee4e0cad8268365551eea3f31a446c5fd9aa8e6941aedecae66"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": [
      "Welcome to IJulia notebooks for 18.06"
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "A Few Links: <br>\n",
      "<a href=\"http://julialang.org/learning/\">  Learning Resources  </a> <br>  <br>\n",
      "Perhaps use \"File-->Make a Copy\" to copy this notebook, though the original can always be obtained on the 18.06 website. You\n",
      "can edit the title directly by clicking.  (Note: The File button  is below the IJ symbol) <br> <br>\n",
      "If you lose connectivity (e.g. the * appears for too long), check if you are still logged in to your google account, or try <br>\n",
      "Kernel-->Restart and re-execute your lines. <br> <br>\n",
      "To print use IJulia's Print Preview and the browser's Print.  If you only get part of your notebook, possibly try another browser."
     ]
    },
    {
     "cell_type": "heading",
     "level": 4,
     "metadata": {},
     "source": [
      "INSTRUCTIONS: See if everything just works.  Nothing to hand in. If all is well, take the time to play a bit. "
     ]
    },
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      " If not, drop us a note at  <a href=\"mailto:1806-julia-help@googlegroups.com\" target=\"_top\">    1806-julia-help@googlegroups.com . </a>"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Hit Shift Enter once in each box to execute Julia\n",
      "1+1"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 1
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Primes less than 20\n",
      "x = primes(20)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 2
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Draw a stock market like plot\n",
      "using PyPlot;  # (may take a little time but only needed once to load the plotting package from Python)\n",
      "plot(cumsum(randn(200)))"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stderr",
       "text": [
        "INFO: Loading help data...\n"
       ]
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Random 4x4 matrix with entries from 1:10 (Shift-enter a few times)\n",
      "A=rand(1:10,4,4)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 4
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Is this Right?\n",
      "A*primes(7)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 5
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "# Get Greek letters and other TeX symbols e.g.  \\pi<tab>\n",
      "\u03c0"
     ],
     "language": "python",
     "metadata": {},
     "outputs": [],
     "prompt_number": 6
    }
   ],
   "metadata": {}
  }
 ]
}