, , , :
1. .
2. .
3. .
4. .
, , , .
r () j(r). s : (s r)2, r £ s, .. , (r s)3, s < r, .. . ( ) :
C(s) = 2 s r) j(r) + 3 r s)j(r). (2.5.11)
s*, (2.5.11) .
, , s*
P(s* 1) < 3 /(2 + 3) < P(s*), (2.5.12)
P(s) = j(r) ( , r £ s).
2.5.4. , , 100 . 200 . . 2.5.1.
2.5.1.
(r) | |||||||
j(r) | 0.10 | 0.20 | 0.25 | 0.20 | 0.15 | 0.10 |
j(r) , r. 3 /(2 + 3) = 200/(100 + 200) = 0.67.
, , r. (. 2.5.2).
2.5.2
s | ||||||
P(s) | 0.10 | 0.30 | 0.55 | 0.75 | 0.90 | 1.00 |
P(2) = 0.55 < 0.67 < 0.75 = P(3), s*= 3.
, . , , , , . ? (2.5.12) s* = 3,
P(2) < 3 /(2 + 3) < P(3),
0.55 < 3 /(100 + 3) < 0.75.
3:
|
|
3/(100 + 3) = 0.55, 3 = 122.
3:
3 /(100 + 3) = 0.75, 3 = 300.
, , 122 300 .
. . . , , , . , , .
. , , , . , .