题目内容

线性方程组的初等变换移植到矩阵上,就得到矩阵的(1),再将(1)推广,就得到矩阵的(2),(1)和(2)合称矩阵的。

查看答案

搜索结果不匹配？点我反馈

更多问题

方程组消元的过程也就是把方程里某些未知数的系数变为____(填数字)的过程。

A simplified mechanical _____ has an inlet and an outlet valve .

A. pump
B. filter
C. tank
D. case

The end of the rocker arm is operated by an eccentric on the______.

A. crankshaft
B. camshaft
C. countershaft
D. input shaft

In the EFI system, it is possible to have systems using only one injector per engine or one injector per ______.

A. piston
B. cylinder
C. crankpin
D. stroke