diff -r 88a01948450d -r d33698326409 plotting_data/questions.rst
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+++ b/plotting_data/questions.rst	Wed Dec 01 16:51:35 2010 +0530
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+Objective Questions
+-------------------
+
+.. A mininum of 8 questions here (along with answers)
+
+1. How do you declare a sequence of numbers in python?
+   Give example .
+   
+   Comma seperated numbers inside two square brackets.
+
+   seq=[1.5,3.2,8.7]
+
+
+2. Square the following sequence? 
+   
+   distance_values=[2.1,4.6,8.72,9.03].
+
+   square(distance_values)
+   
+ 
+
+3. How do you plot the data as points using plot function?
+
+   By passing an extra parameter '.'.
+
+.. #[[Anoop: It can better if asked as, How do you plot the data as
+   points using plot function?]]
+
+4. Can you comment about the result of this plot command .
+   plot(x, y,'o')
+
+
+   It plots large points.
+
+.. #[[Anoop: give an example and ask what it does, like plot(x, y,
+   'o'), that makes the question simple]]
+
+5. How do you plot error in Python?
+
+   Using the function error bar.
+
+6. How do I get large red colour dots on a plot?
+
+   By passing the paramter 'ro'.
+
+7. What are the parameters 'xerr' and 'yerr' in errorbar function for?
+   
+   xerr - List of error values of variable on x axis.
+   yerr - List of error values of variable on y ayis.
+   
+8. How would you plot error bar with a line?
+
+   The fmt parameter for a line will be '-'.
+
+
+
+
+Larger Questions
+----------------
+
+.. A minimum of 2 questions here (along with answers)
+
+1. Plot an errorbar for following experimental data.
+
+   |  X    |  Y   | Xerr | Yerr  |
+   | 154.9 | 8106 | 8.51 | 165.8 |
+   | 154.3 | 8138 | 8.50 | 166.3 |
+   | 148.7 | 8148 | 7.78 | 161.2 |
+   | 149.6 | 8171 | 7.81 | 162.6 |
+
+in red colour with large dots
+
+2. List the parameters for errorbar and their function?