Subsets of a set with three elements

How to count subsets

There is a profound lesson even in some of the simplest mathematical problems: a good representation is half the success

Matrices and graphs

Matrices and graphs

The single most undervalued fact of linear algebra: matrices are graphs, and graphs are matrices

t-SNE on MNIST dataset (source:

How t-SNE works

Looking behind the curtain of one of the most influential dimensionality reduction algorithms