Расчет перевозки порожних вагонов между станциями, страница 2

V1=15

V2=3

V3=13

V4=20

V5=14

 

U1=0

15                         15

30                           3

                                    8           

                               4

0

 

U2=8

10                           7

                             10

20                               5

20                        12                                 

0

 

U3=14

                              20

9

                                    4

30                           6                                 

5                         0

 
 

                  ∆ij = Vj-Uj-Cij

13 = 13-0-8 = 5>0

14 = 20-0-4 = 16>0

15 = 1-0-0 = 14>0

22 = 3-8-10 = -15

25 = 14-8-0 = 6>0

31 = 15-14-20 = -19

32 = 3-14-9 = -20

33 = 13-14-4 = -5

План  не является оптимальным, т.к. есть ∆ij>0.   Θ = min{15;20}=15;

V1=-1

V2=3

V3=-3

V4=4

V5=-2

 

U1=0

                              15

30                           3

                                    8           

15                           4

0

 

U2=-8

25                           7

                             10

20                               5

5                           12                                 

0

 

U3=-2

                              20

9

                                    4

30                           6                                 

5                         0

 
 

                  ∆ij = Vj-Uj-Cij

11 = -1-0-15 = -16

13 = -3-0-8 = -11

15 = -2-0-0 = -2

22 = 3+8-10 = 1>0

25 = -2+8-0 = 6>0

31 = -1+2-20 = -19

32 = 3+2-9 = -4

33 = -3+2-4 = -5

План  не является оптимальным, т.к. есть ∆ij>0.  Θ = min{5;5}=5;

V1=-1

V2=3

V3=-3

V4=4

V5=-8

 

U1=0

                              15

30                           3

                                    8           

15                           4

0

 

U2=-8

25                           7

                             10

20                               5

0                           12                                 

5                          0

 

U3=-2

                              20

9

                                    4

35                           6                                 

                            0

 
 

                  ∆ij = Vj-Uj-Cij

11 = -1-0-15 = -16

13 = -3-0-8 = -11

15 = -8-0-0 = -8

22 = 3+8-10 = 1>0

31 = -1+2-20 = -19

32 = 3+2-9 = -4

33 = -3+2-4 = -5

35 = -8+2-0 = -6

План  не является оптимальным, т.к. есть ∆ij>0.  Θ = min{30;0}=0;

V1=0

V2=3

V3=-2

V4=4

V5=-7

U1=0

                                 15

30                             3

                                    8           

15                             4

0

U2=-7

25                              7

0                             10

20                               5

                                12                                   

5                            0

U3=-2

                                 20

9

                                    4

35                             6                                   

                              0

  ∆ij = Vj-Uj-Cij

11 = 0-0-15 = -15

13 = -2-0-8 = -10

15 = -7-0-0 = -7

24 = 4+7-12 = -1

31 = 0+2-20 = -18

32 = 3+2-9 = -4

33 = -2+2-4 = -4

35 = -7+2-0 = -5

Построенный план перевозок является оптимальным, т.к. среди оценок свободных клеток, нет положительных.

Z(X1)=3*30+4*15+7*25+0*10+5*20+5*0+6*35=635 ден. ед.

Вывод:

Для того, что бы затраты по перевозке порожних вагонов между станциями были минимальными и составляли 635 ден. ед. необходимо придерживаться полученного плана.