恒等矩阵,identity matrix

1)identity matrix
恒等矩阵

2)Permanents of matricas
矩阵恒久量

3)constant formula of matrix
矩阵的恒式

4)Idempotent matrix
幂等矩阵
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5)waiting matrix
等待矩阵

6)elementary matrix
初等矩阵
1.
The brief proof is given for "row elementary operations keep the linear relationship of column vectors of matrix",by using multiplication of partitioned matrix and the relation between elementary matrix and elementary operation.
利用初等矩阵与初等变换的对应关系及分块矩阵的乘法,给出矩阵的行初等变换不改变其列向量组的线性关系"的一个简易证明。


2.
This paper analyzes the essence of method of completing suqare with matrix,utilizing the relationship between the elementary matrix and the elementary transformation.
二次型化标准形常采用配方法,而二次型化标准形等价于它的矩阵合同对角化,文中利用初等矩阵和初等变换之间的关系。


3.
From this point of view,we can concisely and intuitively introduce the multiplication principles of elementary matrix and block matrix.
用变量的线性替换解释矩阵乘法,由此可以简洁而且直观地导出初等矩阵和分块矩阵的乘法原理。


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补充资料：恒久
永久；持久：～不变。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。

恒等矩阵,identity matrix