Generalized Tensor Te of Multilateral Matrices

The concept and related operations of multilateral matrix block lengthening Te were introduced, and the basic theorem of multilateral matrix block lengthening Te was verified, and some basic algebraic properties were presented. In its application, the relationship among the block Tensor Te of multilateral matrices, the block trace Tr of multilateral matrix, tensor and vector te, Te^ij, vec_r, vec_c of multilateral matrix was studied.