Ethan N. Epperly

Vandermonde Matrices are Merely Exponentially Ill-Conditioned

Gaussian Integration by Parts

Five Years of Blogging

Randomized Kaczmarz: How Should You Sample?

A Neat Not-Randomized Algorithm: Polar Express

Markov Musings 5: Poincaré Inequalities

The Schur Product Theorem

Note to Self: How Accurate is Sketch and Solve?

My Favorite Proof of the Cauchy–Schwarz Inequality

Low-Rank Approximation Toolbox: The Gram Correspondence