This is a beta course, so its structure, chapters, and examples may continue to change.应用与练习 This article is being translated. Please check back soon. Previous逆矩阵与伴随矩阵学习逆矩阵和伴随矩阵的定义、性质、求法，这是矩阵理论的核心。Next初等变换与矩阵秩学习初等变换、初等矩阵、矩阵秩、矩阵等价和分块矩阵
