Scale

Matrix Multiplication: 5 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 scaling a matrix by a single number. Multiplying by a scalar s gives C = s · A, where every entry of A is just multiplied by s. This is the simplest way a matrix can be transformed, and it shows up whenever you reweight values in a model.

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The rest of the chapter (Page 79 ~ 85) and the solutions are available to AI by Hand Academy members. You can become a member via a paid Substack subscription.