MUNCHABLE MATRICES
Munchable Matrices is a graphic story on the meaning of matrix multiplication. Matrices store and manipulate data and are used in machine learning processes of neural networks.
See also:
- Transformative Matrices graphic story
- Understanding Neural Networks infographic
- Mathematics of Neural Networks infographic
COVER
![](https://ai-ed.ca/wp-content/uploads/2023/10/MM-cover.png)
See Gadanidis, Li, & Tan (2024)
PAGE 1: Frequency tables
![](https://ai-ed.ca/wp-content/uploads/2023/09/MM-1.png)
PAGE 2: Matrices
![](https://ai-ed.ca/wp-content/uploads/2023/09/MM-2.png)
PAGE 3: Matrix multiplication
![](https://ai-ed.ca/wp-content/uploads/2023/09/MM-3.png)
PAGE 4
![](https://ai-ed.ca/wp-content/uploads/2023/09/MM-4.png)
DO THE MATH
![](https://ai-ed.ca/wp-content/uploads/2023/09/matrices-operations.png)
- Complete the matrix operations shown on the right.
- What is the meaning of the first operation?
- What is the meaning of the second operation?
- Study the matrix operations below:
- Which operations are possible?
- Why?
- What would be the dimensions of the resulting matrices?
![](https://ai-ed.ca/wp-content/uploads/2023/09/matrices-operations-1.png)
![](https://ai-ed.ca/wp-content/uploads/2023/09/thinking-girl-2.png)
- Describe a general rule for each of the following:
- Adding matrices:
- If 2 matrices can be added, what must be true about their dimensions?
- What would be the dimensions of the resulting matrix?
- Multiplying matrices:
- If 2 matrices can be multiplied, what must be true about their dimensions?
- What would be the dimensions of the resulting matrix?
- Adding matrices:
PAGE 5: Matrices & neural networks
![](https://ai-ed.ca/wp-content/uploads/2023/09/MM-8b.png)
REFLECT
What did you learn?
![](https://ai-ed.ca/wp-content/uploads/2023/09/thinking-girl-3.png)
- What did you learn about matrix addition and multiplication?
- What was most interesting to you?
- What surprised you?
- What else do you want to know?