对以下实验命令： syms x y z lamda a;L=x*y*z+lamda*(2*y*z+2*z*x+2*x*y-6*a^2); Lx=diff(L,'x'); Ly=diff(L,'y'); Lz=diff(L,'z'); Llamda=diff(L,'lamda'); [lamda x y z]=solve(Lx,Ly,Lz,Llamda) 中错误的是【】.
对以下实验命令： syms x y z lamda a;L=x*y*z+lamda*(2*y*z+2*z*x+2*x*y-6*a^2); Lx=diff(L,'x'); Ly=diff(L,'y'); Lz=diff(L,'z'); Llamda=diff(L,'lamda'); [lamda x y z]=solve(Lx,Ly,Lz,Llamda) 中错误的是【】.
以字母 -y- 结尾的形容词如何变化为副词？ A: 直接在末尾加ly B: 去掉y,再加ly C: 把y改为i,再加ly
以字母 -y- 结尾的形容词如何变化为副词？ A: 直接在末尾加ly B: 去掉y,再加ly C: 把y改为i,再加ly
【填空题】用LU分解法解下列方程组: (1)将A分解为L和U的乘积,A=LU, 则 u 11 = 【 1 】 u 12 = 【 2 】 u 13 = 【 3 】 l 21 = 【 4 】 u 22 = 【 6 】 u 23 = 【 7 】 l 31 = 【 5 】 l 32 = 【 8 】 u 33 = 【 9 】 然后用LY=b求出y y 1 = 【 10 】 y 2 = 【 11 】 y 3 = 【 12 】 再用Ux=y求出x,得到 x 1 = 【 13 】 x 2 = 【 14 】 x 3 = 【 15 】
【填空题】用LU分解法解下列方程组: (1)将A分解为L和U的乘积,A=LU, 则 u 11 = 【 1 】 u 12 = 【 2 】 u 13 = 【 3 】 l 21 = 【 4 】 u 22 = 【 6 】 u 23 = 【 7 】 l 31 = 【 5 】 l 32 = 【 8 】 u 33 = 【 9 】 然后用LY=b求出y y 1 = 【 10 】 y 2 = 【 11 】 y 3 = 【 12 】 再用Ux=y求出x,得到 x 1 = 【 13 】 x 2 = 【 14 】 x 3 = 【 15 】
修改线形的命令是 A: l B: lt C: line D: ly
修改线形的命令是 A: l B: lt C: line D: ly
Naturally we are all ______ to know the result of the test. (anxious(ly); eager(ly))
Naturally we are all ______ to know the result of the test. (anxious(ly); eager(ly))
Young people are usually ______ to try out new things. (anxious(ly); eager(ly))
Young people are usually ______ to try out new things. (anxious(ly); eager(ly))
c_ _ly
c_ _ly
They are getting very ______ because the world market is getting more and more competitive. (anxious(ly); eager(ly))
They are getting very ______ because the world market is getting more and more competitive. (anxious(ly); eager(ly))
I waited ______ outside the emergency room during my mother's operation. (anxious(ly); eager(ly))
I waited ______ outside the emergency room during my mother's operation. (anxious(ly); eager(ly))
名词+ly通常会变成（ ）
名词+ly通常会变成（ ）