第 1 章 行列式·······························································································1__eol__1.1 行列式的概念····················································································1__eol__1.1.1 二阶行列式 ·············································································1__eol__1.1.2 三阶行列式 ·············································································3__eol__1.1.3 n 阶行列式 ··············································································3__eol__习题 1.1···························································································5__eol__1.2 行列式的性质····················································································6__eol__习题 1.2···························································································8__eol__1.3 克莱姆法则及应用··············································································9__eol__1.3.1 克莱姆法则 ·············································································9__eol__1.3.2 运用克莱姆法则讨论齐次线性方程组的解 ···································· 10__eol__习题 1.3························································································· 11__eol__复习题 1 ······························································································· 12__eol__本章知识精要 ························································································ 12__eol__第 2 章 矩阵································································································ 14__eol__2.1 矩阵的概念····················································································· 14__eol__习题 2.1························································································· 16__eol__2.2 矩阵的性质及运算············································································ 17__eol__2.2.1 矩阵相等 ·············································································· 17__eol__2.2.2 矩阵的运算 ··········································································· 18__eol__2.2.3 矩阵的转置 ··········································································· 22__eol__2.2.4 方阵的行列式 ········································································ 24__eol__习题 2.2························································································· 24__eol__2.3 矩阵的初等变换与矩阵的秩································································ 25__eol__线性代数__eol__VI__eol__2.3.1 矩阵的初等变换 ····································································· 25__eol__2.3.2 矩阵的秩 ·············································································· 27__eol__习题 2.3························································································· 29__eol__2.4 逆矩阵··························································································· 30__eol__2.4.1 逆矩阵的概念 ········································································ 30__eol__2.4.2 逆矩阵的性质 ········································································ 30__eol__2.4.3 逆矩阵的求法 ········································································ 31__eol__2.4.4 用逆矩阵解线性方程组 ···························································· 34__eol__习题 2.4························································································· 34__eol__2.5 矩阵的应用····················································································· 35__eol__2.5.1 编制通信密码 ········································································ 35__eol__2.5.2 投入产出分析 ········································································ 37__eol__复习题 2 ······························································································· 40__eol__本章知识精要 ························································································ 42__eol__第 3 章 线性方程组······················································································· 44__eol__3.1 向量组的线性相关性························································