.
, , , , . , , .
:
- , , , ;
- , ;
- , ..
, , , :
1 ()
, (5.1)
- ;
.-.
2 ()
, (5.2)
- ;
.-.
3 ()
, (5.3)
- ;
.
t , (, , ) t , k, k, :
= t k; (5.4)
= t k; (5.5)
= = t k t k. (5.6)
- .
, 1 .
5.1 ( )
, .. | |||
, .. | |||
- | 11 022 | 11 110 | |
- | 87 074 | 86 658 | |
, . | |||
, . | |||
- k | 1,125 | 1,118 | |
. t | 7,9 | 7,8 |
|
|
, (5.7)
:
∆ = 1 0 = 1 t1 k1 0 t0 k1 (5.8)
:
∆ = 19620 17775 =1845 (.)
, , () .
1
, (5.9)
,
:
D () = (1- 0) t1 k1(5.10)
D () = (2250-2000)7,81,118 = 2180 (.).
2
, (5.11)
,
:
D(t) = 0(t1 t0) k1 (5.12)
D (t) = 2000(7,8-7,9)1,118 = -225 (.).
3 ( ):
, (5.13)
,
D(k) = 0t0(k1 k0) (5.14)
D (k) = 20007,9(1,116-1,125) = -110 .
:
I = I () I (t) I (k) (5.15)
:
D = D I () +D (t) + D (k) (5.16)
I = 1,12500,98730,9938 = 1,1038;
D = 2180-225-110 = 1845 .
, , 12,5% 2180 . . , , 1,27% 225 . , .. , 0,62% 110 .
. :
= t k , (5.17)
= t k t k. (5.18)