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5.1 基本概念

5.1 基本概念. 第五章 二次型. 定义 5.1 二次型：. 二次型的矩阵：. 矩阵形式：. 二次型的秩：. 实二次型： A 为实对称矩阵 . 复二次型： A 为复对称矩阵. 例 1. 定义 5.2. 线性变换 x = C y 的矩阵： C. 定义 5.3. 合同矩阵的性质 : (1) 反身性； (2) 对称性； (3) 传递性. 定义 5.3*. 5.1 over.

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5.1 基本概念

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  1. 5.1 基本概念 第五章 二次型 定义5.1 二次型：

  2. 二次型的矩阵： 矩阵形式： 二次型的秩： 实二次型：A为实对称矩阵. 复二次型：A为复对称矩阵. 例1

  3. 定义5.2 线性变换 x = C y 的矩阵：C

  4. 定义5.3 合同矩阵的性质: (1)反身性；(2)对称性；(3)传递性. 定义5.3*

  5. 5.1 over

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