之前上传的 Tensor_unfold 包含两个文件，分别用于张量的展开和重排，但有的读者对函数的变量意义及调用格式有疑问。现在原始文件的帮助部分增加的输入及输出变量的说明，并以单独文件（sample.m）给出的具体的调用示例，一并上传，以供广大读者参阅。-The previous Tensor_unfold contains two files to be used unfold and refold a tensor, but some readers have questions for the meaning of the variable and the syntax of two functions. Now, I add the descr iption of input and output variables into help part of the original function, and give a particular examples by a separate files (sample.m). Three files are uploaded for readers reference.