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一、矩阵的概念

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§4.1 矩阵的概念. 一、矩阵的概念. 二、矩阵的相等. 三、一些特殊矩阵. 数表  称为一个 矩阵 .. 记作:. 一、矩阵的定义. 1 .定义. 设矩阵. 若. 二、矩阵的相等. 定义. 则称 矩阵 A 与 B 相等 ,记作 A = B .. 零矩阵. 行阵. 列阵. 方阵. 三、一些特殊矩阵. 对角矩阵. 单位矩阵. 数量矩阵. 设 矩阵. 即. 负矩阵. 称为 A 的负矩阵,记作- A.

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slide1

§4.1 矩阵的概念

一、矩阵的概念

二、矩阵的相等

三、一些特殊矩阵

slide2

数表  称为一个 矩阵.

记作:

一、矩阵的定义

1.定义

slide3

设矩阵

二、矩阵的相等

定义

则称矩阵A与B相等,记作 A=B.

slide4

零矩阵

行阵

列阵

方阵

三、一些特殊矩阵

slide5

对角矩阵

单位矩阵

数量矩阵

slide6

设 矩阵

负矩阵

称为A的负矩阵,记作-A .