使用MPI并行编程，矩阵相乘程序测试及 LAPACK 的使用-The use of MPI parallel programming, matrix multiplication program testing and the use of LAPACK

cmake，用于编译，安装lapack有可能需要用到，上传给找不导下载地址的人。(cmake: For compiling,Installation of LAPACK is likely to be needed, uploaded to the person who can not guide the download address.)