Proportion of 1s in a Hadamard matrix

1 · John Cook · Aug. 17, 2026, 1:18 a.m.
Math Combinatorics Hadamard matrices mathematics linear algebra
Summary
This blog post discusses how to construct new Hadamard matrices from existing ones using their Kronecker product. It covers the method for creating a sequence of Hadamard matrices and focuses on the proportion of 1s in these matrices.
Read full post on www.johndcook.com →
AUTHOR