2.5.8 - Deleting row or column
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What command deletes the second row from matrix A?
💡 Hint: Think about how to specify the row you want to remove.
What does A(:,1) = [] do?
💡 Hint: Recall that indexing for columns is done using the first position in indexing.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the correct command to delete the second row from a matrix?
💡 Hint: Focus on how rows are indexed in a matrix.
True or False: Using [] will add a new row to the matrix.
💡 Hint: Remember what the empty vector does!
Get performance evaluation
Challenge Problems
Push your limits with advanced challenges
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!
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!
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.