Objective Questions

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.. 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 points ?

   By passing an extra parameter '.'.

4. What does the parameter 'o' do ?

   It plots large points.

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

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.. 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?