Matrix multiplication combines rows of the first matrix with columns of the second.
What Is Matrix Multiplication?
Matrix multiplication combines rows of the first matrix with columns of the second.
Examples of Matrix Multiplication
1
[[1,2]]·[[3],[4]] = [[11]].Formula and Key Points
Formula / rule
(AB)ᵢⱼ=ΣₖAᵢₖBₖⱼ
- Know the definition and standard notation for Matrix Multiplication.
- Be able to recognise or compute matrix multiplication in a small example.
- Connect the concept to nearby topics in the same subject before using it in larger CSE problems.
Why This Matters in Computer Science
Used in computer graphics, machine learning, computer vision, signal processing, robotics and scientific computing. Core to neural networks, graphics pipelines and many high-performance numerical algorithms.
Related Math Terms
Matrix Multiplication: Frequently Asked Questions
What is Matrix Multiplication?
Matrix multiplication combines rows of the first matrix with columns of the second.
Why is Matrix Multiplication useful in computer science?
Used in computer graphics, machine learning, computer vision, signal processing, robotics and scientific computing. Core to neural networks, graphics pipelines and many high-performance numerical algorithms.