这是一个维数不定的两矩阵相乘的程序，该程序先检测输入的数组是否构成矩阵，再判断这两个矩阵是否满足相乘条件，若满足则进行相乘运算，并求出相乘后的结果！-This is an indefinite number of two-dimensional matrices of the program to detect whether an array of input matrix, and then determine whether the two matrix multiply to meet