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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What command deletes the second row from matrix A?
💡 Hint: Think about how to specify the row you want to remove.
Question 2
Easy
What does A(:,1) = [] do?
💡 Hint: Recall that indexing for columns is done using the first position in indexing.
Practice 4 more questions and get performance evaluation
Interactive Quizzes
Engage in quick quizzes to reinforce what you've learned and check your comprehension.
Question 1
What is the correct command to delete the second row from a matrix?
- A(2,:) = []
- A(:,2) = []
- delete A(2,:)
💡 Hint: Focus on how rows are indexed in a matrix.
Question 2
True or False: Using [] will add a new row to the matrix.
- True
- False
💡 Hint: Remember what the empty vector does!
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a matrix F = [5 4 3; 2 1 0; 7 6 5], delete the second row and add the row [9 8 7] at the second position.
💡 Hint: Be careful about the order of operations!
Question 2
Create a matrix G with three rows and three columns. Delete the first and third rows, then explain how you would restore the original matrix.
💡 Hint: Think of how data layers work – keeping track is key!
Challenge and get performance evaluation