Practice Controlling The Appearance Of Floating Point Number (1.4.6) - Tutorial lessons

Practice: Controlling the appearance of floating point number

Lesson 1.4.6Tutorial lessons

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9 questions

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6 sample questions

Question 1.
What command would you use to display a floating point number with four decimal places?
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Think of the short format command.
Question 2.
If you want to see 15 digits for a floating point number, which command would you use?
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It's the opposite of the short command.
3Question 3.
What will the command 'format short' do in MATLAB?
- Displays numbers with 15 digits
- Displays numbers with 4 decimal places
- Suppresses output completely
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Think about how precision is altered.
4Question 4.
True or False: The 'format long' command displays results with 4 decimal digits.
- True
- False
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Rethink about the definitions of short and long.
Question 5.
Using MATLAB, set a variable x to a floating point number of your choice. First, display it using 'format short', then switch to 'format long'. What differences do you observe?
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Try different values to see how the display changes.
Question 6.
Analyze a scenario where a data scientist needs to present both raw data and rounded figures. How would the choice between 'format short' and 'format long' impact their report?
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Consider your audience’s needs when choosing the format.

5 more questions in this section. Enroll free to practise them all.