A、A.比例变换
B、B.对称变换
C、C.错切变换
D、D.平移变换
更多“三维图形变换矩阵中<img src="https://img.ppkao.com/2018-03/kuangfengjiao/2018031216582067346.jpg" />，[l m n]表示产生（）<p> 三维图形变换矩阵中<img src="https://img.ppkao.com/2018-03/kuangfengjiao/2018031216582067346.jpg" />，[l m n]表示产生（）</p>”相关的问题
A、A.<img src="https://img.ppkao.com/2018-04/ppkaocom/20184113848519668.jpg"/>
B.<img src="https://img.ppkao.com/2018-04/ppkaocom/20184119179410099.jpg"/>
C.<img src="https://img.ppkao.com/2018-04/ppkaocom/20184110813224535.jpg"/>
D.<img src="https://img.ppkao.com/2018-04/ppkaocom/20184116546238644.jpg"/>
A、
A． <img src="https://img.ppkao.com/2018-04/ppkaocom/20184112185089933.jpg">
B． <img src="https://img.ppkao.com/2018-04/ppkaocom/20184113624592133.jpg">
C． <img src="https://img.ppkao.com/2018-04/ppkaocom/20184112531829989.jpg">
D． <img src="https://img.ppkao.com/2018-04/ppkaocom/20184119229014038.jpg">
A、已知一组数据的协方差矩阵为<img src="https://img.ppkao.com/2018-10/zenglei/2018101816094725138.jpg" />，试问：
A、矩阵<img src="https://img.ppkao.com/2018-08/yuanhao/2018081916172973553.jpg" />，计算a的行列式和逆矩阵。
A、A.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072114561637313.jpg" />
B.<img src="https://img.ppkao.com/2017-07/zhangweibo/201707211456301444.jpg" />
C.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072114564554551.jpg" />
D.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072114570038725.jpg" />
A、A.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072115032936557.jpg" />
B.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072115033248583.jpg" />
C.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072115033662231.jpg" />
D.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072115033963278.jpg" />
A、A.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072115042483913.jpg" />
B.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072115043719536.jpg" />
C.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072115045349265.jpg" />
D.<img src="https://img.ppkao.com/2017-07/zhangweibo/2017072115050719231.jpg" />
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