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第四章 线性方程组. 4.1 消元法 4.2 矩阵的秩 线性方程组可解的判别法 4.3 线性方程组的公式解 4.4 结式和判别式. 4.1 消元法. 1. 内容分布 4.1.1 线性方程组的初等变换 4.1.2 矩阵的初等变换 阶梯形矩阵 4.1.3 线性方程组有解的判别 2. 教学目的 : 会用消元法解线性方程组 3. 重点难点 : 线性方程组的消元解法. ( 1 ). 前一章中我们只讨论了这样的线性方程组,这种方程组的方程个数和未知量相等 , 并且方程组的系数行列式不等于零 , 在这一章我们要讨论一般的线性方程组:.

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第四章 线性方程组

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4.2

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