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线性代数第二章-矩阵及其运算
2022-04-23 05:44:00 【#self-discipline#】
线性方程组
n元非齐次线性方程组:
n元齐次线性方程组:
矩阵的定义
矩阵运算
矩阵加法
矩阵数乘
规则
矩阵与矩阵相乘
规则
由(iii)可知矩阵相乘满足分配律
特点
1.矩阵相乘的不可交换性:
2.由旋转和矩阵乘法得到:
矩阵转置
规则
方阵的行列式
规则
特点
,其中
逆矩阵
运算规则
逆矩阵的初步应用
计算A的多项式
1.构造,其中
为对角阵
2.有,求解
得到
克拉默法则
矩阵分块法
运算规则
1.
2.
3.
4.
5.
特点
版权声明
本文为[#self-discipline#]所创,转载请带上原文链接,感谢
https://blog.csdn.net/ssslevel/article/details/113878727
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