OFFSET
1,2
COMMENTS
It appears that the determinant is computed over the rationals, not over GF(2).
REFERENCES
M. B. Wells, Elements of Combinatorial Computing, Pergamon, Oxford, 1971.
LINKS
J. S. Huang and B. L. Raktoe, A note on the proportion of singular (0, 1)-matrices in a class associated with fractional 2n factorial designs, Journal of Combinatorial Theory, Series A 22.2 (1977): 231-234.
EXAMPLE
The three 2 X 2 matrices are [00/01], [00/10], [00/11].
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jan 21 2020
STATUS
approved