{
 "metadata": {
  "name": "ch10"
 },
 "nbformat": 3,
 "nbformat_minor": 0,
 "worksheets": [
  {
   "cells": [
    {
     "cell_type": "heading",
     "level": 1,
     "metadata": {},
     "source": "CHAPTER 10. : VECTORS"
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 10.1 page no :103\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 10.1 page no :103\n''' \n\nvalues = [] \nc = int(raw_input())\nwhile(c != -1):\n    values.append(c)\n    c = int(raw_input())\n\nsize=len(values)\nfor i in range(size):\n    print values[i] ",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": "5\n"
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": "4\n"
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": "3\n"
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": "2\n"
      },
      {
       "name": "stdout",
       "output_type": "stream",
       "stream": "stdout",
       "text": "-1\n"
      },
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "5\n4\n3\n2\n"
      }
     ],
     "prompt_number": 1
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 10.2 page no :104\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 10.2 page no :104\n'''\nimport random\n\nfor i in range(4):\n    x = random.random();\n    print  x",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "0.16979844903\n0.113100369897\n0.851107623696\n0.0966914962921\n"
      }
     ],
     "prompt_number": 2
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 10.3 page no :105\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 10.3 page no :105\n'''\nimport random\ndef randomVector(n,upperBound):\n    vec = []\n    for i in range(n):\n        vec.append(random.random () * 100 % upperBound)\n    return vec\n\ndef printVector(vec):\n    for i in range(len(vec)):\n        print vec[i] ,\n\nnumValues = 20;\nupperBound = 10;\nvector = randomVector (numValues, upperBound);\nprintVector(vector)",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "1.84318995426 8.49475291756 7.92488160107 3.93550646061 0.967457025838 6.72758767668 6.22192058422 8.19279912461 7.4898535715 3.02785494125 2.97556694487 4.70451449621 8.21039455753 2.95832700489 7.02858630112 8.72631899097 5.67567455024 7.48090989023 9.14911759876 9.82069257056\n"
      }
     ],
     "prompt_number": 3
    },
    {
     "cell_type": "heading",
     "level": 3,
     "metadata": {},
     "source": "example 10.4 page no: 106\n"
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "'''\nexample 10.4 page no: 106\n'''\nimport random\ndef howMany(vec,value):\n    count = 0\n    for i in range(len(vec)):\n        if (vec[i] == value):\n            count += 1\n    return count\n\ndef randomVector(n,upperBound):\n    vec = []\n    for i in range(n):\n        vec.append(int(random.random () * 100 % upperBound))\n    return vec\n    \nnumValues = 20;\nupperBound = 10;\nvector = randomVector (numValues, upperBound);\nprint \"value \\t howMany\"\nfor i in range(upperBound):\n    print i , '\\t' , howMany(vector, i)",
     "language": "python",
     "metadata": {},
     "outputs": [
      {
       "output_type": "stream",
       "stream": "stdout",
       "text": "value \t howMany\n0 \t2\n1 \t2\n2 \t0\n3 \t4\n4 \t3\n5 \t1\n6 \t2\n7 \t1\n8 \t2\n9 \t3\n"
      }
     ],
     "prompt_number": 4
    },
    {
     "cell_type": "code",
     "collapsed": false,
     "input": "",
     "language": "python",
     "metadata": {},
     "outputs": []
    }
   ],
   "metadata": {}
  }
 ]
}