aKyushu University, 4-9-1, Shiobaru, Minami-ku, Fukuoka 815-8540, Japan;bKyoto University of Education, Fushimi-ku, Kyoto 612-8522, Japan
Abstract:
Tensor type data are becoming important recently in various application fields. We determine the rank of a 3-tensor with 2 slices in comparison with its Kronecker canonical form over the complex and real number field.