Professional Courses
Industry-relevant training in Business, Technology, and Design to help professionals and graduates upskill for real-world careers.
Categories
Interactive Games
Fun, engaging games to boost memory, math fluency, typing speed, and English skills—perfect for learners of all ages.
Typing
Memory
Math
English Adventures
Knowledge
Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What command would you use to access the element in the first row and second column of matrix A?
💡 Hint: Which index represents the row, and which represents the column?
Question 2
Easy
How would you access the entire third row of matrix A?
💡 Hint: Remember the colon operator means 'all'.
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
How do you access the last element of matrix A?
💡 Hint: Consider what 'end' represents in the context of indexing.
Question 2
Using the command A(:,1), what elements are selected?
- First row only
- First column only
- Second column only
💡 Hint: Think about the purpose of the colon operator in this command.
Solve 1 more question and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Given a matrix A = [1 2 3; 4 5 6; 7 8 9], create a new matrix B that includes rows 1 and 2 and all columns. What is the result?
💡 Hint: Use the colon operator to select all columns.
Question 2
Begin with matrix C = [10 20; 30 40; 50 60]. If you need only the second row, what command would you use?
💡 Hint: Remember to pull the second row by referencing it specifically.
Challenge and get performance evaluation