分块对角矩阵的伴随矩阵探讨

Discussion on adjoint matrix of block diagonal matrix

在讨论分块对角矩阵的伴随矩阵性质时,针对奇异分块对角矩阵,从初等矩阵的基本性质出发,利用线性代数课程相关知识点,结合分类讨论证明这一性质。

When discussing the adjoint matrix properties of block diagonal matrices,this article intends to start from the basic properties of elementary matrices,use the relevant knowledge points of linear algebra courses,and combine classification discussions to prove this property.