
Учебный практикум по ЭМММ
.pdf
7.9. L 3x1 |
x2 |
x4 |
max; |
|
x1 |
2x2 |
2x4 |
6, |
|
2x2 |
2x3 |
x4 |
7, |
|
x1 |
x2 |
x3 |
2x4 7, |
|
x j |
0, j |
1,...,4. |
|
7.10. L |
4x1 |
2x2 |
2x3 |
x4 |
min; |
|||
x1 |
x2 |
x3 |
2x4 |
8, |
|
|||
2x1 |
x2 |
x3 |
2x4 |
10, |
||||
x1 |
x2 |
2x3 |
2x4 |
6, |
|
|||
x j |
0, j |
1,...,4. |
|
|
||||
7.11. L |
2x1 |
x2 |
3x3 |
2x4 |
max; |
|||
|
x2 |
2x3 |
2x4 |
8, |
|
|
||
|
2x1 |
2x2 |
x3 |
x4 |
9, |
|||
|
2x1 |
2x3 |
x4 |
8, |
|
|
||
|
x j |
0, j |
1,...,4. |
|
|
|||
7.12. L |
x1 |
2x2 |
3x3 |
4x4 |
min; |
|||
|
x1 |
x2 |
2x3 |
|
x4 |
2, |
|
|
|
x1 |
2x2 |
x3 |
|
2x4 |
4, |
||
|
x1 |
2x2 |
2x3 |
2x4 |
8, |
|||
|
x j |
0, j |
1,...,4. |
|
|
|||
7.13. L |
2x1 |
x2 |
x3 |
2x4 |
max; |
|||
|
x1 |
2x2 |
6, |
|
|
|
||
|
x2 |
x3 |
2x4 |
6, |
|
|
||
|
x1 |
2x2 |
2x3 |
10, |
|
|||
|
x j |
0, j |
1,...,4. |
|
|
|||
7.14. L |
x1 |
2x2 |
3x3 |
x4 |
min; |
|||
|
x1 |
|
x2 |
2x3 |
x4 |
7, |
||
|
x1 |
2x2 |
x3 |
2x4 1, |
||||
|
3x1 |
x2 |
3x3 |
2x4 |
13, |
|||
|
x j |
|
0, j |
1,...,4. |
|
|
||
|
|
|
|
|
|
|
|
101 |

7.15. L |
x1 |
2x2 |
3x3 |
|
x4 |
max, |
|
x1 |
x2 |
x3 |
x4 |
|
4, |
|
|
x1 |
2x2 |
x3 |
2x4 |
6, |
|
||
x1 |
2x2 |
2x3 |
x4 |
6, |
|
||
x j |
0, j |
1,...,4. |
|
|
|||
7.16. L |
x1 |
2x2 |
x3 |
3x4 |
min, |
||
x1 |
2x3 |
2x4 |
5, |
|
|
||
x1 |
x2 |
2x3 |
4, |
|
|
||
2x2 |
x3 |
4, |
|
|
|
|
|
x j |
0, j |
1,...,4. |
|
|
|||
7.17. L |
x1 |
2x2 |
2x3 |
|
3x4 |
min, |
|
x1 |
x2 |
2x4 |
4, |
|
|
||
x2 |
2x3 |
x4 |
6, |
|
|
||
x1 |
2x2 |
x3 |
x4 |
6, |
|
||
x j |
0, j |
1,...,4. |
|
|
|
||
7.18. L |
2x1 |
|
x2 |
3x3 |
5x4 |
max, |
|
x1 |
x2 |
x3 |
6, |
|
|
|
|
x2 |
x3 |
x4 |
9, |
|
|
|
|
x3 |
x4 |
x5 |
12, |
|
|
||
x4 |
x5 |
x6 |
15, |
|
|
||
x j |
0, j |
1,...,4. |
|
|
|||
7.19. L |
2x2 |
x3 |
min, |
|
|||
2x1 |
x2 x4 |
0, |
|
||||
x1 |
x2 |
x3 |
2, |
|
|
|
|
2x1 |
x2 |
4x3 |
x4 |
12, |
|
||
x j |
0, j |
1,...,4. |
|
|
|
||
7.20. L |
4x1 |
|
2x2 |
2x3 |
x4 |
min, |
|
x1 |
x2 |
x3 |
2x4 |
8, |
|
||
2x1 |
x2 |
x3 |
2x4 |
10, |
|
||
x1 |
x2 |
x3 |
2x4 |
6, |
|
||
x j |
0, j |
1,...,4. |
|
|
|
102

7.21. L |
4x1 |
3x2 |
2x3 |
x4 |
max, |
|||||
|
x1 |
3x2 |
x3 |
x4 |
6, |
|
||||
|
x1 |
2x2 |
x3 |
2x4 |
4, |
|
||||
|
x1 |
x3 |
|
1, |
|
|
|
|
|
|
|
x j |
0, j |
1,...,4. |
|
|
|
|
|||
7.22. L |
x1 |
|
x2 |
|
x3 |
x4 |
|
min, |
||
|
3x1 |
2x2 |
|
x3 |
x4 |
2, |
|
|||
|
2x1 |
x2 |
4x3 |
x4 |
4, |
|
||||
|
3x1 |
4x2 |
|
x3 |
x4 |
6, |
|
|||
|
x j |
0, j |
1,...,4. |
|
|
|
|
|||
7.23. L |
x1 |
|
x2 |
|
x3 |
x4 |
|
max, |
||
|
3x1 |
x2 |
2x4 |
|
2, |
|
|
|
||
|
x1 |
x2 |
x3 |
5x4 |
|
5, |
|
|||
|
x j |
0, j |
1,...,4. |
|
|
|
|
|||
7.24. L |
2x1 |
x2 |
3x3 |
2x4 |
x5 min, |
|||||
|
x1 |
x2 |
x3 |
1, |
|
|
|
|||
|
x1 |
x2 |
|
x4 |
1, |
|
|
|
|
|
|
x1 |
x2 |
|
x3 |
|
2, |
|
|
|
|
|
x j |
0, j |
1,...,4. |
|
|
|
|
|||
7.25. L |
2x1 |
x2 |
x3 3x4 |
|
4x5 |
max, |
||||
|
x1 |
x2 |
3x3 |
x4 |
2x5 |
4, |
||||
|
2x1 |
x2 |
4x3 |
x4 |
4x5 |
2, |
||||
|
3x1 |
2x2 |
|
x3 |
2x4 |
x5 |
3, |
|||
|
x j |
0, j |
1,...,5. |
|
|
|
|
|||
7.26. L |
3x1 |
2x2 |
|
x3 |
x5 |
min, |
||||
|
x1 |
2x2 |
x4 |
3x5 |
2, |
|
||||
|
2x1 |
3x2 |
|
x3 |
x4 |
x5 |
8, |
|||
|
2x1 |
x2 |
x3 |
3x4 |
x5 |
10, |
||||
|
x j |
0, j |
1,...,5. |
|
|
|
|
103

7.27. L |
3x1 |
4x2 |
2x3 |
x4 |
max, |
||||
|
2x1 |
3x2 |
|
2x3 |
3x4 |
10, |
|||
|
2x2 |
|
2x3 |
x4 |
7, |
|
|||
|
x1 |
3x2 |
|
2x3 |
5x4 |
8, |
|||
|
x j |
0, j |
|
1,...,4. |
|
|
|||
7.28. L |
2x1 |
x2 |
x3 |
2x4 |
min, |
||||
|
2x1 |
|
x2 |
|
3x3 |
x4 |
2, |
||
|
x1 |
2x2 |
|
x3 |
|
2x4 |
3, |
||
|
3x1 |
3x2 |
|
x3 |
3x4 |
4, |
|||
|
x j |
0, j |
|
1,...,4. |
|
|
|||
7.29. L |
x1 |
2x2 |
3x3 |
4x4 |
max, |
||||
|
x1 |
x2 |
x3 |
x4 |
6, |
|
|||
|
x1 |
2x2 |
|
x3 |
4x4 |
9, |
|||
|
2x1 |
3x2 |
|
4x4 |
x4 |
12, |
|||
|
x j |
0, j |
|
1,...,4. |
|
|
|||
7.30. L |
x1 |
2x2 |
x3 |
3x5 |
min, |
||||
|
x1 |
x2 |
2x3 |
|
x5 |
3, |
|
||
|
2x1 |
2x2 |
x3 |
2x4 |
3x5 2, |
||||
|
x1 |
3x2 |
|
x3 |
x4 |
x5 |
5, |
||
|
x j |
0, j |
|
1,...,5. |
|
|
11.8. Решить задачи, используя алгоритм двойственного симплекс-метода
8.1. L |
x1 x2 |
2x3 max, |
8.2. L |
2x1 3x2 5x4 max, |
||
x1 |
x2 |
x3 8, |
2x1 |
x2 |
12, |
|
x1 |
x2 |
4, |
x1 |
2x2 |
10, |
|
x1 |
2x2 |
6, |
3x1 |
2x2 |
18, |
|
x1 , x2 , x3 |
0. |
x1 , x2 |
0. |
|
104

8.3. L 2x1 4x2 |
x3 min, |
8.4. L |
3x1 |
3x2 |
min, |
||
x1 |
2x2 |
x3 |
4, |
2x1 |
2x2 |
1, |
|
x1 |
x2 |
x3 |
3, |
x1 |
x2 1, |
|
|
2x1 |
x2 |
2x3 |
3, |
2x1 |
4x2 |
1, |
|
x1 , x2 , x3 |
0. |
|
x1 , x2 |
0. |
|
8.5. L |
2x1 |
4x2 |
x3 |
min, |
8.6. L |
2x1 |
x2 |
5x3 |
min, |
||
|
1.5x1 |
3x2 |
x3 |
x4 18, |
x1 |
x2 |
|
x3 |
4, |
|
|
|
x1 |
5x |
|
x3 5, |
|||||||
|
3x1 |
2x3 |
4x4 |
24, |
|
2 |
|||||
|
|
2x1 |
x |
|
3x3 |
6, |
|||||
|
x1, x2 |
, x3 , x |
4 0. |
|
|
2 |
|||||
|
|
|
x1 , x2 , x3 |
|
0. |
|
|||||
|
|
|
|
|
|
|
|
||||
8.7. L |
x1 |
3x2 |
4x3 |
2x4 |
min 8.8. L |
4x1 |
2x2 |
x3 |
min |
x1 |
x2 |
4x3 |
5x4 |
27, |
||
2x1 |
3x2 |
x3 |
4x4 |
24, |
||
x1 , x2 , x3 , x4 |
0. |
|
||||
8.9. L |
x1 |
2x2 |
3x3 min, |
|||
2x1 |
2x2 |
x3 |
2, |
|
||
x1 |
x2 |
4x3 |
3, |
|
||
x1 |
x2 |
2x3 |
6, |
|
||
x1 , x2 , x3 |
|
0. |
|
|
||
8.11. L |
4x1 |
6x2 |
3x3 |
min, |
3x1 x2 2x3 9, x1 2x2 2x3 8, x1 6x2 12,
x1 , x2 , x3 0.
8.13. L |
2x1 x2 5x3 max, |
x1 x2 x3 4, x1 5x2 x3 5, x1 , x2 , x3 0.
x1 x2 10,
2x1 x2 x3 8, x1 , x2 , x3 0.
8.10. L 2x1 3x2 52 x3 min,
2x1 x2 3x3 6,
2x1 4x2 3x3 6,
3x1 4x2 2x3 12, x1 , x2 , x3 0.
8.12. L |
4x1 |
5x2 |
6x3 min, |
x1 |
x2 |
x3 |
5, |
x1 |
x2 |
2x3 |
1, |
x1 |
x2 |
4x3 |
3, |
x1 |
x2 |
8x3 |
4, |
x1 , x2 , x3 0.
8.14. L |
3x1 |
2x2 |
x3 |
max, |
x1 |
x2 |
x3 |
5, |
|
x1 2x2 |
x3 |
3, |
||
2x1 |
3x2 |
x3 |
6, |
|
x1 , x2 , x3 |
0. |
|
105

8.15. L |
x1 |
4x2 |
6x3 |
max, |
8.16. L |
2x1 |
x2 |
x3 |
max, |
||||
|
x1 |
2x2 |
4x3 |
15, |
|
|
|
|
|
|
|
||
|
2x1 |
x2 |
2x3 |
2, |
x1 |
x2 |
|
x3 |
2, |
||||
|
4x1 |
8x2 |
x3 |
17, |
2x1 |
x2 |
|
x3 |
|
6, |
|||
|
x1 |
x2 |
x3 |
6, |
|
x1 , x2 , x3 |
0. |
|
|||||
|
x1 , x2 , x3 |
0. |
|
|
|
|
|
|
|
|
|
||
8.17. L |
2x1 |
2x2 |
3x3 |
min, |
8.18. L |
2x1 |
x2 |
x3 |
min, |
||||
|
x1 |
4x2 |
x3 |
8, |
|
|
x1 |
x2 |
|
x3 |
6, |
||
|
x1 |
3x2 |
x3 1, |
|
2x1 |
x2 |
|
x3 |
|
2, |
|||
|
x1 , x2 , x3 |
0. |
|
|
|
x1 , x2 , x3 |
0. |
|
|||||
8.19. L |
2x1 |
2x2 |
x3 |
max, |
8.20. L |
|
4x1 |
|
2x2 |
x3 min |
|||
|
x1 |
4x2 |
x3 |
8, |
|
x1 |
x2 |
|
10, |
|
|
||
|
x1 |
3x2 |
x3 |
1, |
|
|
2x1 |
x2 |
x3 |
18, |
|||
|
x1 , x2 , x3 |
0. |
|
|
|
x1 , x2 , x3 |
0. |
|
8.21. L |
x1 7x2 |
4x3 |
9x4 |
8x5 |
3x6 max, |
|||
|
3x1 |
2x2 |
3x3 2x4 |
x5 |
x6 |
18, |
||
|
2x1 |
x2 |
x3 |
3x4 |
2x5 |
24, |
|
|
|
x1 , x2 , x3 , x4 , x5 ,x6 |
0. |
|
|
|
|||
8.22. L |
x1 |
2x2 |
|
4x3 |
2x4 |
3x5 |
max, |
2x1 3x2 x3 x4 x5 18, 2x2 3x3 x4 24,
x1 4x2 x4 12, x1 , x2 , x3 , x4 , x5 0.
8.23. L |
2x1 8x2 |
x3 |
5x4 |
max, |
||
2x1 |
x2 |
3x3 |
x4 |
18, |
||
x1 |
2x2 |
4x3 |
2x4 |
24, |
||
3x1 |
4x2 |
2x3 |
3x4 |
30, |
||
x1 , x2 , x3 , x4 |
0. |
|
|
106

8.24. L 2x1 2x2 3x3 4x4 max,
x1 2x2 x3 x4 2, 2x1 x2 2x3 3x4 3, 3x1 4x2 5x3 2x4 4,
x1 , x2 , x3 , x4 0.
8.25. L |
4x1 |
7x2 |
8x3 |
|
5x4 |
max, |
||||
|
x1 |
x2 |
2x4 |
4, |
|
|
|
|
||
|
2x1 |
x2 |
2x3 |
|
6, |
|
|
|
|
|
|
x1 , x2 , x3 , x4 |
0. |
|
|
|
|
|
|||
8.26. L |
2x1 |
2x2 |
3x3 |
4x4 |
min, |
|
||||
|
2x1 |
2x2 |
x3 |
x4 |
|
2, |
|
|
||
|
2x1 |
x2 |
x3 |
3x4 |
|
3, |
|
|
||
|
x1 , x2 , x3 , x4 |
0. |
|
|
|
|
|
|||
8.27. L |
x1 |
3x2 |
2x3 |
x4 |
2x5 |
x6 |
min, |
|||
|
2x1 |
2x2 |
x3 |
3x5 |
|
x6 |
10, |
|
||
|
4x1 |
3x2 |
x3 |
2x4 |
|
x5 |
2x6 |
7, |
||
|
x1 , x2 , x3 , x4 , x5 , x6 |
|
0. |
|
|
|||||
8.28. L |
x1 |
3x2 |
x3 |
2x4 |
max, |
|
||||
|
5x1 |
6x2 |
4x3 |
2x4 |
4, |
|
|
|||
|
x1 |
x2 |
x3 2x4 |
2, |
|
|
||||
|
x1, x2 , x3 , x4 |
0. |
|
|
|
|
|
|||
8.29. L |
3x1 |
4x2 |
5x3 |
6x4 |
min, |
|
||||
|
2x1 |
x2 |
x3 |
5x4 |
|
5, |
|
|
||
|
3x1 |
2x2 |
x3 |
4x4 |
|
4, |
|
|
||
|
x1 , x2 , x3 , x4 |
0. |
|
|
|
|
|
|||
8.30. L |
4x1 |
2x2 |
5x3 |
4x4 |
min, |
|
||||
|
2x1 |
x2 |
x3 |
x4 |
|
2, |
|
|
||
|
x1 |
2x2 |
x3 |
x4 |
|
3, |
|
|
||
|
x1 , x2 , x3 , x4 |
0. |
|
|
|
|
|
107

11.9. Сформулировать двойственную задачу к исходной задаче и найти решение симметричной пары задач
9.1. L |
5x1 |
2x2 |
|
6x3 |
max, |
|||
|
x1 |
x2 |
|
x3 |
|
6, |
|
|
|
2x1 |
x2 |
3x3 |
|
9, |
|
||
|
3x1 |
x2 |
2x3 |
|
1, |
|
||
|
x j |
0, j |
1,2,3. |
|
|
|||
9.3. L |
x1 |
x2 |
|
x3 |
|
max, |
||
|
2x1 |
x2 |
x3 |
2, |
|
|||
|
4x1 |
2x2 |
x3 |
|
2, |
|
||
|
x j |
0, j |
1,2,3. |
|
|
|||
9.5. L |
3x1 |
4x2 |
|
x3 |
|
max, |
||
|
x1 |
3x2 |
x4 |
5, |
|
|||
|
x2 |
2x3 |
x4 |
7, |
|
|||
|
x1 |
x2 |
|
x4 |
|
3, |
|
|
|
x j |
0, j |
1,...,4. |
|
|
|||
9.7. L |
x1 |
3x2 |
2x3 |
|
max, |
|||
|
x1 |
x2 |
|
x3 |
1, |
|
|
|
|
3x1 |
2x2 |
|
2x3 |
4, |
|
||
|
x1 |
3x2 |
4x3 |
|
5, |
|
||
|
x j |
0, j |
1,2,3. |
|
|
|||
9.9. L |
|
x1 |
2x2 |
x3 |
|
min, |
||
|
2x1 |
x2 |
x3 |
14, |
|
|||
|
x1 |
2x2 |
3x3 |
|
4, |
|
||
|
x j |
0, j |
1,2,3. |
|
|
|||
9.11. L |
x1 |
2x2 |
6x3 |
max, |
||||
|
x1 |
4x2 |
4x3 |
x4 |
5, |
|||
|
x1 |
x2 |
3x3 |
2x4 |
2, |
|||
|
x j |
0, j |
1,...,4. |
|
9.2. L |
7x1 |
3x2 |
x3 |
max, |
x1 |
2x2 |
3, |
|
|
x1 |
x2 |
4, |
|
|
x1 |
3x2 |
2x3 |
|
2, |
x1 |
x2 |
5, |
|
|
x j |
0, j |
1,2,3. |
|
|
9.4. L |
6x1 |
8x2 |
x3 |
max, |
x1 |
x2 |
x3 |
3, |
|
x1 |
2x2 |
4, |
|
|
x j |
0, j |
1,2,3. |
|
9.6. L |
2x1 |
6x2 |
min, |
|||
x1 |
3x2 |
x3 |
6, |
|||
x2 |
3x3 |
4, |
|
|||
x1 |
x2 |
x3 |
1, |
|||
x j |
0, j |
1,2,3. |
||||
9.8 L |
x1 |
x2 |
|
x3 |
min, |
|
x1 |
2x2 |
x3 |
5, |
|||
2x2 |
|
x4 |
3, |
|
||
x1 |
2x4 |
6, |
|
|||
x j |
0, j |
1,...,4. |
||||
9.10. L |
x1 |
6x2 |
5x3 max, |
|||
2x1 |
|
x2 |
3x3 |
4, |
||
x1 |
2x2 |
x3 |
5, |
|||
x j |
0, j |
1,2,3. |
||||
9.12. L |
x1 |
x2 |
x3 |
min, |
||
2x1 |
|
x2 |
2x3 |
1, |
||
|
x1 |
x3 |
1, |
|
||
x j |
|
0, j |
1,2,3. |
108

9.13. L |
2x1 |
x2 |
x3 |
max, |
|||
|
2x1 |
x2 |
|
x3 |
x4 |
3, |
|
|
x1 |
2x2 |
x3 |
x4 |
5, |
||
|
x j |
0, j |
|
1,...,4. |
|
|
|
9.15. L |
7x1 |
x2 |
5x4 |
max, |
|||
|
3x1 |
2x2 |
x3 |
2x4 |
2, |
||
|
3x1 |
x2 |
3x3 |
4x4 |
|
5, |
|
|
x j |
0, j |
1,...,4. |
|
|
||
9.17. L |
x1 |
2x2 |
x3 |
5x4 |
min, |
||
|
2x1 |
x2 |
x3 |
5x4 |
|
5, |
|
|
3x1 |
2x2 |
x3 |
x4 |
|
4, |
|
|
x j |
0, j |
1,...,4. |
|
|
||
9.19. L |
x1 |
x2 |
3x4 |
min, |
|||
|
x1 |
x2 |
2x3 |
3x4 |
|
7, |
|
|
x1 |
2x2 |
x3 |
x4 |
|
5, |
|
|
x j |
0, j |
1,...,4. |
|
|
||
9.21. L |
4x1 |
2x2 x4 |
max, |
||||
|
x1 |
x2 |
4x3 |
2x4 |
2, |
||
|
x1 |
2x2 |
x3 |
3x4 |
3, |
||
|
x j |
0, j |
1,...,4. |
|
|
9.14. L |
x1 |
2x2 |
x3 |
max, |
||
x1 |
x2 |
|
x3 |
x4 |
1, |
|
x1 |
x2 |
|
x3 |
x4 |
3, |
|
x j |
0, j |
1,...,4. |
|
|
||
9.16. L |
x1 |
4x4 |
max, |
|
||
x2 |
x3 |
4, |
|
|
|
|
x1 |
x2 |
|
x3 |
x4 |
3, |
|
x1 |
x2 |
|
2x3 |
5, |
|
|
x j |
0, j |
1,...,4. |
|
|
||
9.18. L |
3x1 |
|
x2 |
max, |
|
|
x1 |
x2 |
|
1, |
|
|
|
2x1 |
x2 |
4, |
|
|
||
3x1 x2 |
6, |
|
|
|
||
x j |
0, j |
1,2. |
|
|
||
9.20. L |
2x1 |
x3 |
x4 |
max, |
||
x1 |
2x2 |
x3 3x4 |
4, |
|||
x1 |
x2 3x3 |
2x4 |
8, |
|||
x j |
0, j |
1,...,4. |
|
|
||
9.22. L |
x1 |
2x2 |
x5 |
min, |
||
x1 |
5x2 |
x3 |
x4 |
10, |
||
2x1 |
x2 |
|
x3 |
3x4 |
x5 |
6, |
x2 |
x3 |
2x4 |
3x5 |
24, |
||
x j |
0, j |
1,...,5. |
|
|
9.23. L |
4x1 |
2x2 |
3x3 |
x5 |
max, 9.24. L |
x1 |
x2 |
max, |
|
3x1 |
x2 |
x3 |
x4 |
2, |
4x1 |
x2 |
x3 |
x4 |
x5 6, |
4x1 |
x2 |
x4 |
x5 |
21, |
x1 |
4x2 |
x3 |
x5 |
15, |
4x1 |
x2 |
x3 |
x5 |
15, |
2x1 |
4x2 |
x3 |
x4 |
3, |
x j |
0, j |
1,...,5. |
|
x j |
0, j |
1,...,5. |
|
109

9.25. L |
x1 |
x2 |
2x3 |
min, |
9.26. L |
x1 |
x2 |
2x4 |
max, |
|||||
x1 |
|
x2 |
2x3 |
x4 |
3, |
|
x1 |
2x2 |
x3 |
3x4 |
4, |
|||
x1 |
x2 |
4x3 x4 |
0, |
|
x2 |
2x3 |
x4 |
1, |
|
|||||
x1 |
|
x2 |
x3 |
2, |
|
|
x1 |
4x3 |
x4 |
6, |
|
|||
x j |
|
0, j |
1,...,4. |
|
|
x j |
0, j |
1,...,4. |
|
|||||
9.27. L |
3x2 |
x3 |
2x4 |
max, |
9.28. L |
4x1 |
x2 |
x3 |
max, |
|||||
3x1 |
x2 |
x3 |
x4 |
5, |
|
x1 |
x2 |
|
2x3 |
2x4 |
2, |
|||
3x1 |
x2 |
2x3 |
4x4 |
1, |
|
x1 |
2x2 |
x3 |
3x4 |
3, |
||||
x1 |
|
0, j |
1,...,4. |
|
|
x j |
0, j |
1,...,4. |
|
|||||
9.29. L |
x1 |
x2 |
5x3 |
x4 |
max, |
9.30. L |
4x2 |
3x5 |
|
min, |
|
|||
x1 |
|
x2 |
2x3 |
4, |
|
|
x1 |
x2 |
|
x3 |
x4 x5 |
2, |
||
3x2 |
2x3 |
x4 |
x5 |
6, |
|
x1 |
x2 |
|
x4 |
1, |
|
|||
x1 |
|
x2 |
6x3 |
x4 |
12, |
|
x1 |
9x2 |
x3 |
5, |
|
|||
x j |
|
0, j |
1,...,4. |
|
|
x j |
0, j |
1,...,5. |
|
11.10. Для исходной задачи составить двойственную. Решить обе задачи симплексным методом
или двойственным симплексным методом и по решению каждой из них найти решение другой. Одну из задач решить графическим методом
10.1. L |
2x1 |
4x2 |
x3 min, |
10.2. L |
6x1 |
5x2 x3 |
|
min, |
||||
x1 |
|
x2 |
x3 |
3, |
3x1 |
x2 |
|
x3 |
1, |
|
|
|
x2 |
|
x3 |
2, |
|
2x1 x2 |
x3 |
|
3, |
|
|||
x j |
|
0, j |
1,...,3. |
x j |
|
0, j |
|
1,...,3. |
|
|
||
10.3. L |
2x1 |
x2 |
max, |
10.4. L |
8x1 |
6x2 |
3x3 |
min, |
||||
x1 |
|
2x2 |
6, |
x1 |
|
2x2 |
|
x3 |
1, |
|
|
|
2x1 |
3x2 |
6, |
|
|
|
|
||||||
2x1 |
3x |
|
3x3 |
4, |
|
|||||||
x1 |
3x2 |
3, |
2 |
|
||||||||
x j |
|
0, j |
|
1,...,3. |
|
|
||||||
x j |
|
0, j |
1,2. |
|
|
|
|
|||||
|
|
|
|
|
|
|
|
|
110