Shape

Matrix Multiplication: 3 of 16

Library › Matrix Multiplication

1. Calculate

2. Complexity

3. Shape

4. Identity

5. Scale

6. Shift

7. Combine Rows

8. Combine Columns

9. Not Commutative

10. Associative

11. Distributive

12. Chain

13. Transpose

14. Inverse

15. Linear Equations

16. Tiled Algorithm

In this chapter you will practice reading the shape of the result before computing any values. C takes its rows from A and its columns from B, so a 3-row A times a 2-column B gives a 3 by 2 result. Reading shapes first tells you whether two matrices can be multiplied at all.

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The rest of the chapter (Page 51 ~ 67) and the solutions are available to AI by Hand Academy members. You can become a member via a paid Substack subscription.