ADM, MOHAMMAD; ALMUHTASEB, KHAWLA; FALLAT, SHAUN; MEAGHER, KAREN; NASSERASR, SHAHLA; N. SHIRAZI, MAHSA; S. RAZAFIMAHATRATRA, A
(2010 Mathematics Subject Classi cation. 05C50, 15A18 ., 2020-03-03)
A matrix is called weakly Hadamard if its entries are from
{0, −1, 1} and its non-consecutive columns (with some ordering) are orthogo nal. Unlike Hadamard matrices, there is a weakly Hadamard matrix of order
n for every ...