一次数据结构课小组形式的大作业，实现矩阵的全套运算。包里有两个压缩文件，一个是生成dll的VS工程，另一个是加载dll的exe界面-The form of a data structure class group of large operations, to achieve a full set of matrix operations. Bag has two compressed files, one is to generate dll in VS project, and the other is to load the dll, exe interface