* 2.
2.
n+1 | |||||
1 | 2 | 3 | |||
I | 0,5 | ||||
i |
1. =(1, 2, 3) 1, 2, 3. Z . .
Z = 3x1 + 4x2 + 5x3 > max,
x1 + 2x2 + x3 ≤ 370,
3x1 + 2x3 ≤ 560,
x1 + 4x2 ≤ 420,
xj ≥ 0, j = 1, 2, 3.
-, 1- , 3. ( 10-, 1) SimplexWin.exe .
(m +1)- - 3 , . *=(0, 45, 280, 0, 0, 240), Z(*)=1580.
*1=0, *2=45, *3=280 , 1 ; 2 45 , 3 280 . , , , , 240 .
3
2. :
(l)= 370λ1 + 560λ2 + 420l3 > min,
λ1 + 3λ2 + λ3 ≥ 3,
2λ1 + 4λ3 ≥ 4,
λ1 + 2λ2 ≥ 5,
λi ≥ 0, i = 1,2,3.
3
λ*=(2, 3/2, 0), (λ*)=1580.
, , , λ*1 = 2, λ*2 = 3/2. , (λ*3 = 0).
λ* ,
1 2 + 3 3/2 + 1 0 = 11/2 > 3,
2 2 + 4 0 = 4 = 4,
1 2 + 2 3/2 = 5 = 5.
1, , , . , 1, 7/2. , 2 3 , .
, ,
|
|
λ*1 = P 3+1 c4 = 1/2 4 + 05 + (-2) 0 = 2 (. 3- 8- - 3).
, 2 1/2, 3 , 2.
.
3. ηik , i , k , , :
.
( 4).
4.
λ*i | λ*κ | ||
λ*1=2 | λ*2=3/2 | λ*3=0 | |
λ*1 | 3/4 | ||
λ*2 | 4/3 | ||
λ*3 | ∞ | ∞ |
, η21=4/3 , 4/3 ..; η31=∞ , ; η13=0 , , , .
4. , , :
) ( m ):
.
, . 3
1/4∆2-3/2∆3-2∆6≤7/2,
-1/2∆2 +2∆6 ≤ 2,
1/4∆2-1/2∆3 - ∆6 ≤ 3/2.
, ∆3=∆6=0,
-4≤∆2≤6,
2 0≤2≤10, .
∆2=∆6=0,
-7/3≤ ∆3≤∞,
3 8/3≤3≤∞.
6 , 6=0, ∆6 0.
)
.
, 4 5 - , 0. 1, , -∞≤∆1≤7/2. , 0≤1≤13/2 , .
5. , , 2 3 (.. x* ³0). :
.
, : .
-1 . - 2, 3, 6 () , () 3. , -1 , 4, 5, 6, , , .. 3. :
|
|
.
-2∆b1+∆b2 ≤180,
-∆b2 ≤560,
2∆b1- ∆b2-∆b3 ≤ 240.
∆b2=∆b3=0, 90≤∆b1≤120, 280≤b1≤490. , ∆b1=∆b3=0, 240≤∆b2≤180, 320≤b2≤740. , ∆b3 240≤∆b3≤∞, 180≤b3≤∞. , , , , ( , λ*i = P m+i cm+i b).
6. , 2: n+1=3, i,n+1=(0,5; 1; 2). n+1,
Z=3x1+4x2+5x3+3xn+1 > max,
x1+2x2+x3+0,5xn+1≤370,
3x1 +2x3 + xn+1 ≤ 560,
x1+4x2 +2xn+1≤420,
xj≥0, j=1,2,3; xn+1≥0.
n+1 ∆n+1
0,5 2 + 13/2 + 2 0 3 = 1/2≤0.
, . Pn+1 P2, P3, P6, :
.
, n+1 - 3 5. -, . ( simplexWin) 6. .
5
I | ||||||||||
1 | 2 | 3 | 4 | 5 | 6 | n+1 | ||||
2 | -1/4 | 1/2 | -1/4 | |||||||
3 | 3/2 | 1/2 | 1/2 | |||||||
6 | -2 | |||||||||
m+1 | 7/2 | 3/2 | -1/2 | |||||||
2 | -1/4 | 1/2 | -1/4 | |||||||
3 | 1/2 | 1/4 | -1/4 | |||||||
n+1 | -1 | 1/2 | ½ | |||||||
m+1 | 3/2 | 7/4 | ¼ |
, *=(0, 45, 280, 0, 0, 0, 120), Z(*)=1640. λ*=(3/2, 7/4, 1/4), (λ*)=1640.
7. N = 60%. b =(370, 560, 168). .
, -, . 3 6.
6
I | |||||||||
1 | 2 | 3 | 4 | 5 | 6 | ||||
2 | -1/4 | 1/2 | -1/4 | ||||||
3 | 3/2 | 1/2 | |||||||
6 | -12 | -2 | |||||||
m+1 | 7/2 | 3/2 | |||||||
2 | 1/4 | 1/4 | |||||||
3 | 3/2 | 1/2 | |||||||
4 | -1 | -1/2 | -1/2 | ||||||
m+1 | 11/4 | 5/2 |
|
|
, *=(0, 42, 280), Z(*)=1568. λ*=(0, 5/2, 1), (λ*)=1568.
.