Shrinkande and Bhagwan Das (1970) showed how to extend a (4 t – 1, 4 t ) row-orthogonal matrix with entries ± 1 to a Hadamard matrix of order 4 t . Using a slightly different approach we consider extensions of (4 t – k , 4 t ) row-orthogonal matrix to a Hadamard matrix of order 4 t .
No takes yet. Share an insight, caveat, or question.
K. Vijayan (1976) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: