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#+TITLE: Plotting Experimental Data
#+AUTHOR: FOSSEE
#+DATE: 2010-09-14 Tue
#+EMAIL:     info@fossee.in

#+DESCRIPTION: 
#+KEYWORDS: 
#+LANGUAGE:  en
#+OPTIONS:   H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:t -:t f:t *:t <:t
#+OPTIONS:   TeX:t LaTeX:nil skip:nil d:nil todo:nil pri:nil tags:not-in-toc

* Outline 
   - Defining sequence of numbers
   - Squaring sequence of numbers
   - Plotting Data Points
   - Indicating Error through Errorbars

* Simple Pendulum Data

#+ORGTBL: L vs T^2 orgtbl-to-latex

  | L   | T    |
  | 0.1 | 0.69 |
  | 0.2 | 0.90 |
  | 0.3 | 1.19 |
  | 0.4 | 1.30 |
  | 0.5 | 1.47 |
  | 0.6 | 1.58 |
  | 0.7 | 1.77 |
  | 0.8 | 1.83 |
  | 0.9 | 1.94 |
  

* Initializing L & T
  : L = [0.1, 0.2, 0.3, 0.4, 0.5,
  :      0.6, 0.7, 0.8, 0.9]
  : t = [0.69, 0.90, 1.19,
  :      1.30, 1.47, 1.58,
  :      1.77, 1.83, 1.94]

* Adding Error 


  |   L |    T | \delta L | \delta T |
  | 0.1 | 0.69 |     0.08 |     0.04 |
  | 0.2 | 0.90 |     0.09 |     0.08 |
  | 0.3 | 1.19 |     0.07 |     0.03 |
  | 0.4 | 1.30 |     0.05 |     0.05 |
  | 0.5 | 1.47 |     0.06 |     0.03 |
  | 0.6 | 1.58 |     0.00 |     0.03 |
  | 0.7 | 1.77 |     0.06 |     0.04 |
  | 0.8 | 1.83 |     0.06 |     0.07 |
  | 0.9 | 1.94 |     0.01 |     0.08 |
 
 
* Plotting Error bar 
  
  : In[]: errorbar(L,tsquare,xerr=delta_L, yerr=delta_T,
  :                fmt='b.')

* Summary 
 : L = [0.1, 0.2, 0.3, 0.4, 0.5,                                             |
 :      0.6, 0.7, 0.8, 0.9]  
 : plot(x,y,'o')
 : plot(x,y,'.')
 : errorbar(L,tsquare,xerr=delta_L, yerr=delta_T, fmt='b.')