清华大学数据结构作业，实现稀疏矩阵的计算，支持常用运算以及求逆操作-Tsinghua data structure operations to achieve computing sparse matrix to support common operations and inverse operations

将常用的矩阵操作封装起来,展示了c语言中的矩阵运算,-Commonly used matrix operation encapsulated, show the matrix in the c language,