如题26:初始单纯形表中,各个变量对应的检验数为
A: 0,1,M,0,-2,-M,0
B: M,1,2-2M,-M,0,0,0
C: -M,1,2+2M,0,0,-M,0
D: M,1,2-2M,0,0,-M,0
A: 0,1,M,0,-2,-M,0
B: M,1,2-2M,-M,0,0,0
C: -M,1,2+2M,0,0,-M,0
D: M,1,2-2M,0,0,-M,0
举一反三
- 矩阵[left[ {egin{array}{*{20}{c}} {m{0}}&{m{0}}&{m{5}}&{m{2}}\ {m{0}}&{m{0}}&{m{2}}&{m{1}}\ {m{4}}&{m{2}}&{m{0}}&{m{0}}\ {m{1}}&{m{1}}&{m{0}}&{m{0}} end{array}} ight]]的逆矩阵为 ()
- 矩阵[left[ {egin{array}{*{20}{c}} { m{0}}&{ m{0}}&{ m{5}}&{ m{2}}\ { m{0}}&{ m{0}}&{ m{2}}&{ m{1}}\ { m{4}}&{ m{2}}&{ m{0}}&{ m{0}}\ { m{1}}&{ m{1}}&{ m{0}}&{ m{0}} end{array}} ight]]的逆矩阵为 ( ) </p></p>
- 已知方程x3+(2m-3)x+m2-m=0有三个相异实根,分别介于(-∞,0),(0,1),(1,+∞)内,则常数m满足条件()。 A: -2<m<-1 B: -1<m<0 C: -2<m<0 D: 0<m<2
- 若有定义:int m=1;, 则值为0 的表达式是______。 A: m%2==1 B: m/2 C: m%2!=0 D: m/2==0
- 【单选题】描述 Ψ3dz 2 的一组量子数是 A.n=2,l=1,m=0 B.n=3,l=2,m=0 C.n=3,l=1,m=0 D.n=3,l=2,m=1 A. n=2,l=1,m=0 B. n=3,l=2,m=0 C. n=3,l=1,m=0 D. n=3,l=2,m=1