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 "metadata": {
  "name": "",
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 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "markdown",
     "metadata": {},
     "source": [
      "# Plotting Examples"
     ]
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "%matplotlib inline\n",
      "from numpy import sin,cos,pi,linspace\n",
      "from pylab import plot\n",
      "\n",
      "# Play with these number and ignore the rest\n",
      "R = 10\n",
      "r = 0.4\n",
      "O = 12\n",
      "\n",
      "t = linspace(-pi,pi,3000)\n",
      "x = (R+r)*cos(t) - (r+O)*cos(((R+r)/r)*t)\n",
      "y = (R+r)*sin(t) - (r+O)*sin(((R+r)/r)*t)\n",
      "plot(x,y)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "?linspace"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": [
      "delta = pi/2\n",
      "t = linspace(-pi,pi,300)\n",
      "x = sin(3 * t + delta)\n",
      "y = sin(5 * t)\n",
      "plot(x,y)"
     ],
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}