A MacWilliams identity for a \rho complete weight enumerator of linear spaces of matrices with entries from the ring F_q[u]/(u^r-a), where a \in F_q, endowed with a non-Hamming metric is proved.
ŞİAP, İRFAN (2002) "A MacWilliams Type Identity," Turkish Journal of Mathematics: Vol. 26: No. 4, Article 7. Available at: https://journals.tubitak.gov.tr/math/vol26/iss4/7