Practice Matrix Multiplication (44.1) - Matrix multiplication - Data Structures and Algorithms in Python
Students

Academic Programs

AI-powered learning for grades 8-12, aligned with major curricula

Professional

Professional Courses

Industry-relevant training in Business, Technology, and Design

Games

Interactive Games

Fun games to boost memory, math, typing, and English skills

Matrix multiplication

Practice - Matrix multiplication

Learning

Practice Questions

Test your understanding with targeted questions

Question 1 Easy

What are the dimensions of the resulting matrix when multiplying a 2x3 matrix with a 3x4 matrix?

💡 Hint: Look at the outer dimensions.

Question 2 Easy

If you multiply a matrix by itself, what property does it demonstrate?

💡 Hint: Think about how grouping matters.

4 more questions available

Interactive Quizzes

Quick quizzes to reinforce your learning

Question 1

What is the time complexity of multiplying two matrices?

O(m + n + p)
O(mnp)
O(mn²)

💡 Hint: Check how many multiplications are done.

Question 2

True or False: The order of multiplying matrices affects the final result.

True
False

💡 Hint: How does associativity play into this?

2 more questions available

Challenge Problems

Push your limits with advanced challenges

Challenge 1 Hard

You have matrices with dimensions 50x20, 20x10, and 10x5. Calculate the total cost for the best multiplication order and show all calculations leading to it.

💡 Hint: Break it down into parts and summarize.

Challenge 2 Hard

Explain a scenario where matrix multiplication failed due to not optimizing the order. What resources are wasted?

💡 Hint: Look at each clustering of matrices for efficiency.

Get performance evaluation

Reference links

Supplementary resources to enhance your learning experience.