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6.3. !, < ! -. 6.14.
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7(1) = 0,
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7(3) = m {7(1) + t(1, 3); 7(2) + t(2, 3)} = m {0 + 20; 12 + 0} = 20, 7(4) = m {7(1) + t(1, 4); 7(2) + t(2, 4)} = m {0 + 27; 12 + 0} = 27, 7(5) = 7(3) + t(3, 5) = 20 + 7 = 27,
7(6) = 7(4) + t(4, 6) = 27 + 14 = 41,
7(7) = m {7(5) + t(5, 7); 7(6) + t(6, 7)} = m {27 + 13; 41 + 0} = 41, 7(8) = m {7(6) + t(6, 8); 7(7) + t(7, 8)} = m {41 + 11; 41 + 15} = 56.
# ! % -— — . ' ,
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( = - < !:
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L(4) = L(6) – t(4,6) = 41 – 14 = 27, L(3) = L(5) – t(3,5) = 28 – 7 = 21,
L(2) = min {L(4) – t(2,4); L(3) – t(2,3)} = min {27 – 0; 21 – 0} = 21,
L(1) = min {L(4) – t(1,4); L(3) – t(1,3); L(2) – t(1,2)} = min {27 – 27; 21 –
– 20; 21 – 12} = 0.
( ' |
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( . 6.15). A ' , |
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* . 6.15. |
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A 6.15 |
' ! |
(7) (L) |
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L |
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( 1, 4, 6, |
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7 8 ). |
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* , ' -! . 6.5.
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6 $ 6.5 |
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(- |
* |
( |
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R (i) = |
( |
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7 ( ) |
L ( ) |
= L (i) – E(i) |
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( ! =' ! .
" %= ! ' - = . ) ! = -. A , ! =, ! . -! = , ' . ; ! ==
.! (, j) ! ( , j) —
' % ! , -, @ -! = :
%( , j) = L(j) –7( ) – t( , j), |
(6.12) |
: L(j) — |
j- , % = - |
! ( , j); |
- , |
% = |
7( ) — |
% ! ; |
|
! . |
t ( , j) — |
& ' ! - =% =:
M (i*, j*) 0 (i*, j*) U * , |
(6.13) |
U * — ' ! .
G , %! , % # % -. & ' ! % -
= ! 6*.
W . < ' -. & ' ' ' =%
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|
" ! N(i, j) ! (i, j) — - |
' % ! , |
% |
! : |
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N(i, j) = E(j) – E(i) – t( , j). |
(6.14) |
8 ! ! *(i, j) ! (i, j) %' % ! ,% ! :
( , j) = max {0; E(j) – L(i) – t( , j)}. |
(6.15) |
& ' ! = :
M( , j) ` N( , j) ` ( , j) ` 0. |
(6.16) |
6.4. " ! ( ) < , . 6.16. # -! (i, j) %:
— t( , j);
— ! ' — 7( );
— @— L(j);
— M( , j), N( , j) ( , j), =-
< (6.12), (6.14), (6.15).
! (3, 5) % :
t (3, 5) = 7; 7 (3) = 20; L (5) = 28;
%(3, 5) = 28 – 20 – 7 = 1; N (3, 5) = 27 – 20 – 7 = 0;
(3, 5) = m {0; 27 – 21 – 7} = 0.
* < 1 4 6 7 8 . 6.16. ?! , @ % , ! . 6.6.
A < ! -
: L ;
E
! : %N ,
M — ; N — ; P — ' ;
! (1—4; 4—6; 6—7; 7—8) .
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* . 6.16. |
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6 $ 6.6 |
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#- |
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* ! |
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( , j) |
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t( , j) |
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7( ) |
L(j) |
% ( , j) |
N ( , j) |
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( , j) |
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(1, 2) |
12 |
0 |
21 |
9 |
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(1, 3) |
20 |
0 |
21 |
1 |
0 |
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(1, 4) |
27 |
0 |
27 |
0 |
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0 |
12 |
21 |
9 |
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0 |
12 |
27 |
15 |
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(3, 5) |
7 |
20 |
28 |
1 |
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(4, 6) |
14 |
27 |
41 |
0 |
0 |
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(5, 7) |
13 |
27 |
41 |
1 |
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0 |
41 |
41 |
0 |
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(6, 8) |
11 |
41 |
56 |
4 |
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(7, 8) |
15 |
41 |
56 |
0 |
0 |
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" < ( . 6.16) !! ( ! . 6.5, 6.6) % -! '.
6.6. #&@!"+ $6' 9"' % ) 9,'29"' %0 "',&! "(/! ' % ,!:#&
# ! ' !< . ; -'% =: ! - = , — -= ! .
M '! , ’ < -. # ! ' , ’, % = =.
( % ! - , , @ ’ , ! -( . 6.17).
t
* . 6.17
=% = - < , -- ! Td .
A *1, 2, , n+ — ' < , U — ' . ( , @ tij ! i, j U
' = ' dij Dij ,
Dij — % ! , ' , -' , dij — -' .
A cij — |
! (i, j) |
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' , cij cij — |
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' . ( , @ ' zij
tij |
% =: |
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zij cij |
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Dij |
tij |
cij , dij tij Dij , |
(6.17) |
Dij |
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dij |
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@ = % 6.18.
:
zij
cij cij
cij
* . 6.18.
# < -z ,
|
Td , |
! % : |
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" tij , zij , |
Ti , |
Tj , |
i, j |
1,n |
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dij tij Dij ; |
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(6.18) |
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Ti tij |
Tj , |
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i, j U |
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(6.19) |
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T1 |
0 ; |
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Tn |
Td |
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(6.20) |
= < = : |
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Dij |
tij |
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z |
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cij |
cij |
. |
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i, j U |
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D |
ij |
d |
ij |
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" (6.18)—(6.21) % =! ' tij . D @ ’ %, !-
% ' Td ,’ ! -' ! tij , i, j U , z
! =.
; <' ! :
Tn |
min,& |
(6.22) |
|
% |
z min,$ |
|
< |
% % - |
( |
), — |
= , ’ |
. !- |
' (6.18)—(6.20) = ' . # , (6.18)—(6.21)
@ ’ !< . A -! ' (6.18)—(6.21) Td . B -
' |
z Td |
( . 6.19), @ % ' |
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! . |
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* . 6.19.
6.5. * , -. 6.20, ' ! ! . 6.7.
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2 |
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*-1 |
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*-3 |
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*-2 |
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* . 6.20. |
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6$ 6.7 |
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* ! , |
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# , |
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: , . |
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*-1 (1, 2) |
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3 |
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5 |
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10 |
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6 |
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*-2 (1, 3) |
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5 |
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15 |
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12 |
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*-3 (2, 3) |
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3 |
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8 |
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A ! -:
L ' ! ! =;
L ' ! ! =.
( ! < ' -Td .
( ’ 1. ( ! % < , !-! ' -. ! ' L, EM ! ( . 6.21).
5
5
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0 |
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9 |
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0 |
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9 |
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8 |
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1 |
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* . 6.21. |
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# , |
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T3max 9 ( ). ' ! = =, ! , @Td 9 = 6 + 12 + 5 = 23 ( . ).
2. ( % , -' ! ! = ( . 6.22).
3
3
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0 |
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6 |
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0 |
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0 |
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6 |
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4 |
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1 |
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* . 6.22. |
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