Although the vectorization operation is known and well-defined, it is only defined for 2-D matrices, and its inverse isn't as well-popularized. This work proposes to generalize the vectorization to higher dimensions, and define mathematically its inverse operation.

翻译：尽管向量化操作是已知且定义明确的，但它仅适用于二维矩阵，且其逆操作并不广为人知。本文提出将向量化推广到更高维度，并从数学上定义其逆运算。