一个可以实现矩阵相关运算的程序，例如行列式值，逆矩阵，特征值，矩阵的迹等等，可以作为其他程序的辅助工具，具有一定的实用价值，编译通过，可运行-A matrix can be related to computing procedures, such as value determinant, inverse matrix, eigenvalue, matrix trace, etc., can be used as an aid to other procedures, has a certain practical value, the compiler is passed, can run