本段代码属于c语言中重要的结构体部分，内容详实，参考价值大。-This code is an important part of structure of body, the C language informative, of great reference value

用C语言描述矩阵的相关运算，包括矩阵转置，矩阵相乘，相加，求逆运算。希望对学矩阵的初学者有帮助。-C language is used to describe the correlation operation matrix, including matrix transpose, matrix multiplication, addition, inversion. Want to help beginners learn the matrix.