3.向量组

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前言

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向量和向量组的线性相关性

概念

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内积和正交

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正交矩阵

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向量组的线性表示和线性相关的概念

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判别线性相关（例题）

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极大线性无关组，等价向量组，向量组的秩

极大线性无关组

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向量组的秩

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有关秩的定理和公式

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其余见2.矩阵的秩

等价矩阵和等价向量组

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向量空间

基本概念

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基变换，坐标变换

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