Introduction - If you have any usage issues, please Google them yourself
Input interface (graphical or text interfaces are available), can distinguish addition, subtraction, multiplication and transposition capable of handling typical data input and perform any error data processing (eg multiplication, when the number of columns in the first matrix is not equal to the first When the number of rows of two matrices) must triples as storage structure, can not be used in the form of an array, etc. output requirements in the form of a matrix output