: Pmax =100 ; D t = 4 (. 99).
. 99 |
2.4.4, , () , . -: , ( , 3-). , .
(. . 99), ( ) , P (t) . 0 5 P (t) 20%; 5 13 , 80%; 13 21 , 10%; 21 24 , 20%.
f (t) t t :
, | (93) |
f f t t ; t f (t), 1/3 , , 0,95× f. , . 99 t = 5 t = 13 : f = 20%; f = 80%; P (t) 0,95× f = 0,95×80 = 76 3 , .. t 1 . 21 24 .
f (t) t t :
,
(93), t 1/3 , 1,05× f. , . 99 t = 13 t = 21 : f = 80%; f = 10%; P (t) 1,05× f = 1,05×10 = 10,5 3 , .. t 1 .
MathCAD (. 100).
. 100 |
Programming (), . P (t), Add Line Programming ().
(. 101 ). , 4- , . Add Line ( . 101 ). if Programming () < £ Boolean ( )
. 101 .
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. 101 |
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! if Programming ().
P (t) , . 102. , (. . 99).
. 102 |
P (t) , (37) . 103. , 885,009 ×.
. 103 |
(39) P (t) 0 24 . y, , MathCAD Minimize (y, x) Maximize (y, x), 2. P (t), t, , Given . 104 ( t 1 t 2 ).
. 104 |
, P (t) , k . , . 104 .
(40) (41) (. 105).
. 105 |
(42) (43) (. 106).
. 106 |
(. . 104 . 106), : k k , k .
, (45) (47), (. 107).
. 107 |
(. . 107), 11,063 . tmax 24 .
, . , D t, .
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|
, D t = 4 P (t). Add Line if Programming (), Boolean ( ) () P (t) . 108.
. 108 |
! P (t) t = 0, if P (0) . 108. , t = 0 t = 24, . 108 , ( Boolean ( ) Ctrl =).
P (t) , . 109. , . 102. D t, P (t).
. 109 |
! , D t = 4 P (t), 0,001 (. . 102). - . MathCAD ( , / ), D t. , .
, , P (t) (38) MathCAD D t : - P (t) Matrix () . 110 , Calculus ( ) . . 110 .
. 110 |
) |
) |
(. . 110), P (t) , P (t). , 36,764 ×
4,154% (. 111).
. 111 |
, . , , , . 112.
. 112 |
(. . 112), ( ) , P (t) . 0 5 P (t) 20%; 5 13 ; 13 21 , 60%; 21 23 20% 23 24 20%. . 113.
. 113 |
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|
2(t) . 113 :
f t; ; . :
. 113 (80%) , 11 5 = 6 , , = 4×6 = 24.
4(t) . 113 :
f t; k , , 21 23 P (t) 20%.
if Programming () < £ Boolean ( ) . 114.
. 114 |
. 115 ( , , MathCAD ).
. 115 |
1. max = 210 ; D t = 3
2. max = 110 ; t = 0, 5, 8, 10, 12, 15, 18, 21, 24
3. max = 80 ; D t = 2,4
4. max = 108 ; t = 0, 2, 6, 9, 12, 15, 18, 21, 24
5. max = 90 ; D t = 4
6. max = 380 ; t = 0, 3, 7, 10, 12, 14, 16, 19, 24
7. max = 180 ; D t = 2
8. max = 108 ; t = 0, 4, 9, 12, 15, 17, 20, 21, 24
9. max = 128 ; D t = 3
10. max = 201 ; t = 0, 4, 8, 12, 14, 17, 21, 22, 24
11. max = 284 ; D t = 2,4
12. max = 108 ; t = 0, 3, 7, 9, 12, 15, 18, 21, 24
13. max = 129 ; D t = 4
14. max = 580 ; t = 0, 1, 5, 8, 9, 12, 15, 21, 24
15. max = 338 ; D t = 2
16. max = 620 ; t = 0, 2, 6, 10, 12, 15, 19, 21, 24
17. max = 75 ; D t = 3
18. max = 245 ; t = 0, 4, 8, 10, 12, 15, 18, 22, 24
19. max = 800 ; D t = 2,4
20. max = 450 ; t = 0, 6, 9, 12, 15, 18, 22, 24
21. max = 490 ; D t = 4
22. max = 505 ; t = 0, 3, 7, 10, 14, 16, 21, 24
23. max = 260 ; D t = 2
24. max = 520 ; t = 0, 4, 8, 12, 15, 17, 20, 22, 24
25. max = 140 ; D t = 3
26. max = 95 ; t = 0, 4, 7, 9, 12, 14, 16, 18, 21, 24
27. max = 395 ; D t = 2,4
28. max = 225 ; t = 0, 5, 7, 9, 12, 15, 18, 21, 24
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