Hadamard matrices of order 28 in machine-readable form

Published: 29 May 2020| Version 2 | DOI: 10.17632/tw66ksdfhh.2
Alexey Ukhalov,
Elizaveta Udovenko


The data set contains Hadamard matrices of order 28 in machine-readable form, convenient for use in programs. Data taken from the site http://www.maths.gla.ac.uk/~es/hadamard/hadamard.php This data set complements following ones Ukhalov, Alexey; Nevskii, Mikhail (2018), “Functions for checking necessary conditions for maximality of 0/1-determinant and example”, Mendeley Data, v1 http://dx.doi.org/10.17632/sm3x4xrb42.1 Ukhalov, Alexey (2019), “Matrices having the largest known determinant in machine-readable form”, Mendeley Data, v1 http://dx.doi.org/10.17632/hzf94h43c5.1 Data is presented in three formats: Wolfram Mathematica Notebook, PDF, and Plain Text.