求矩阵乘积的FORTRN子程序，适用于矩阵相乘，对矩阵的要求是必须是二维的，但是通用性较强。自我感觉比其他的程序好，而且短小精悍！-FORTRN matrix product of the subroutine for matrix multiplication, the matrix must be the requirement is two-dimensional, but highly versatile. Feel better than other procedures, and d