According to V. Pless et al. (1997, J. Combin. Theory Ser. A78, 32-50) all Z4 codes of type II and length 16 are known. In this note we relate the five optimal codes to the octacode. We also construct an optimal quaternary iso-dual [14, 7, 8] code which was not known previously.
ASJC Scopus subject areas
- Theoretical Computer Science
- Discrete Mathematics and Combinatorics
- Computational Theory and Mathematics