Preview of practice Overwriting Variable (1.4.2) - Tutorial lessons - IT Workshop (Sci Lab/MATLAB)
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Overwriting variable

Practice - Overwriting variable

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What was the original value of variable x if you set x = 10; and then overwrite it with x = x - 2;?

💡 Hint: Consider the first assignment.

Question 2 Easy

What is the command used to suppress output in MATLAB?

💡 Hint: Think about what happens at the command line.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What do we use to suppress output in MATLAB?

Comma(,)
Semicolon(;)
Parentheses()

💡 Hint: Think about how you want to keep your command window clean.

Question 2

True or False: Overwriting a variable in MATLAB will permanently delete its previous value.

True
False

💡 Hint: Consider the implications of variable management.

1 more question available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You start with a variable n = 10;. Write a MATLAB command to overwrite n with the result of n decreased by 3. What is the final value?

💡 Hint: Consider the operation of subtraction.

Challenge 2 Hard

Create a MATLAB script snippet that initializes a variable, overwrites it, and outputs the result without showing intermediate outputs.

💡 Hint: Make sure to use semicolon to suppress output for the intermediate steps.

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Reference links

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