plotting-data/questions.rst
author Anoop Jacob Thomas<anoop@fossee.in>
Tue, 26 Oct 2010 13:06:20 +0530
changeset 348 3f70aeb1e115
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child 372 8e05616c4102
permissions -rw-r--r--
reviewed accessing parts of array script.
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Objective Questions
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.. A mininum of 8 questions here (along with answers)
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1. How do you declare a sequence of numbers in python?
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   Give example .
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   Comma seperated numbers inside two square brackets.
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   seq=[1.5,3.2,8.7]
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2. Square the following sequence? 
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   distance_values=[2.1,4.6,8.72,9.03].
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   square(distance_values)
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3. How do you plot points ?
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   By passing an extra parameter '.'.
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4. What does the parameter 'o' do ?
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   It plots large points.
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5. How do you plot error in Python?
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   Using the function error bar.
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6. How do I get large red colour dots on a plot?
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   By passing the paramter 'ro'.
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7. What are the parameters 'xerr' and 'yerr' in errorbar function for?
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   xerr - List of error values of variable on x axis.
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   yerr - List of error values of variable on y ayis.
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8. How would you plot error bar with a line?
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   The fmt parameter for a line will be '-'.
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Larger Questions
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.. A minimum of 2 questions here (along with answers)
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1. Question 1
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2. Question 2