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Practice Questions
Test your understanding with targeted questions related to the topic.
Question 1
Easy
What is the result of adding the matrices A = [2; 3] and B = [4; 5]?
💡 Hint: Add the corresponding elements together.
Question 2
Easy
What do you get when you multiply A = [3, 4] and B = [2; 1]?
💡 Hint: Check the dimensions of A and B.
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 condition must be met for two matrices A and B to be added?
- Their dimensions must be the same
- The number of columns in A must equal the number of rows in B
- They must both be square matrices
💡 Hint: Think about the definition of matrix addition.
Question 2
True or False: The element-wise multiplication of matrices requires the same dimensions.
- True
- False
💡 Hint: Recall the rules for element-wise operations.
Solve and get performance evaluation
Challenge Problems
Push your limits with challenges.
Question 1
Consider matrices A = [[2, 0]; [3, 5]] and B = [[1, 4]; [2, 3]]. Perform both A + B and A .* B. What do you observe?
💡 Hint: Remember to operate element by element for A .* B.
Question 2
You have a matrix C = [[1, 0]; [0, 1]] and another matrix D = [[2, 3]; [4, 5]]. Calculate C*D and observe the result. Is it equal to D?
💡 Hint: What does multiplying by the identity matrix do?
Challenge and get performance evaluation