Module 01 / §1–2
Getting started & notation
Read mathematical symbols and check the shape of an expression.
4 lessons · Visual explanations · Guided experiments
01.1 / Explore → understand → practice
The math behind a prediction
Meet the three toolkits—and learn what this course and its source actually cover.
01.2 / Explore → understand → practice
A field guide to the symbols
Translate every entry in the source’s notation table into words and a small example.
01.3 / Explore → understand → practice
Know what kind of thing you have
Scalars, vectors, matrices, and random variables play different roles—even when all of them involve numbers.
01.4 / Explore → understand → practice
Let dimensions catch mistakes
Before calculating, check whether the pieces can fit together.