# Mathematics Diagnostic

> ML preparation set.

- Stable ID: `mathematics-diagnostic`
- Area: mathematics
- Kind: diagnostic
- Timebox: 60 minutes

Sample the four mathematics topics before choosing focused practice.

## Instructions

1. Work without notes or symbolic software.
2. Record a first attempt before opening any answer or official solution.

## Ordered items

1. [Matrix fundamentals under time pressure](https://mlprep.iwase.dev/item/original-la-foundations/?set=mathematics-diagnostic) — `original-la-foundations` (8 min)
2. [Jacobian and chain rule](https://mlprep.iwase.dev/item/original-calc-jacobian/?set=mathematics-diagnostic) — `original-calc-jacobian` (10 min)
3. [Counting, total probability, and independence](https://mlprep.iwase.dev/item/original-prob-foundations/?set=mathematics-diagnostic) — `original-prob-foundations` (7 min)
4. [Bias, variance, MSE, and consistency](https://mlprep.iwase.dev/item/original-stats-estimator/?set=mathematics-diagnostic) — `original-stats-estimator` (7 min)
5. [Projection matrix as geometry and spectrum](https://mlprep.iwase.dev/item/mit-18-06-s2010-exam2-q1/?set=mathematics-diagnostic) — `mit-18-06-s2010-exam2-q1` (15 min)
6. [Maximum likelihood estimation from a density](https://mlprep.iwase.dev/item/mit-18-05-s2022-exam2-ii1/?set=mathematics-diagnostic) — `mit-18-05-s2022-exam2-ii1` (12 min)

## Completion

Use missed skills to choose the corresponding topic practice set.

## Next recommended practice

- [Linear Algebra Practice](https://mlprep.iwase.dev/sets/linear-algebra-practice.md)
- [Calculus Practice](https://mlprep.iwase.dev/sets/calculus-practice.md)
- [Probability Practice](https://mlprep.iwase.dev/sets/probability-practice.md)
- [Statistics Practice](https://mlprep.iwase.dev/sets/statistics-practice.md)