01 · What a Tensor Is

Part I of Tensors for Machine Learning. A tensor is a way to organize numbers using one or more directions, called axes. This section teaches you to read those axes before doing anything more advanced.

Do not rush Part I. Every later section uses this vocabulary.

Study here, then run the real thing: notebook 01 on Colab · the handbook · workshop home

Built from the workshop’s own material by Ravi Kalia and Sebastian Laverde Chunza, CC BY 4.0.

12 topics2 tags

Your path through this unit

Step 1 of 3

Initial review

Take a first look at each topic and tick Got it once you have the general idea.

Mistake: the shape tells you the rank

01 · What a Tensor Is

Your path through this unit

Initial review

Mistake: the shape tells you the rank

shape, ndim and size

Unfolding

Order is not rank

The map of factorizations

Contraction

Decomposition

Fiber

Mode

Order

Slice

Tensor