摘要
本文利用一般域上的矩阵和线性方程组理论,给出无向图的关联矩阵秩的定理另一种证明。
The article presents a different proof of the theorem of the incidence matrixrank in an undirected graph by using the theory of matrix and the system of linear equa-tions.
关键词
无向图
矩阵
域
图论
ndirected graph,matrix,field