Systematic Constructions of Complementary Sets and Hadamard Matrices from Circulant Operator

Piyush Priyanshu, Sudhan Majhi, Subhabrata Paul

A Hadamard matrix $H$ of order $n$ is a square matrix with entries $\pm 1$ satisfying $H{H}^T=n{I}_n$, where $I_n$ is the identity matrix of order $n$. A circulant Hadamard matrix is…