2.矩阵

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矩阵的本质

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矩阵的定义和基本运算(例题)

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矩阵的逆

定义

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性质

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定义法求逆矩阵

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伴随矩阵

定义

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性质

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用伴随矩阵求可逆矩阵的逆矩阵

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求伴随矩阵的方法

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初等变换和初等矩阵

初等变换

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初等矩阵

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初等矩阵的性质和公式

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初等变换求逆矩阵

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行阶梯形矩阵与最简行阶梯形矩阵

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简单分块矩阵的逆

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矩阵方程

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等价矩阵和矩阵的等价标准型

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矩阵的秩

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