. N =24000 . , .
, . Cx =10 , ( ) Cp =400 .
, , 2 ! , ?
. n p = N / n 24000 / n.
,
t = 12 / p (), n /2 .
n ?
0.1 12 n / 2 400 p n .
E = T n / 2 + N / n {3 - 2}
T = 12 .
: n0, E .
n .
n0 = , {3 - 3}
4000 2 .
E0 = , {3 - 4}
4800 .
2000 ( ):
E1 = 0.1122000/2 + 40024000/ 2000 = 6000 .
, , !
, , . , :
E = a1 X1 + a2 X2 +..... an Xn {3 - 5}
Xi , ai , .
. E = f(a,X), . .
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, , , .
, , , .
, , .
1915 , . . .
( / ); . .
, ( ) , , .
.
, , . :
( )
E(X) = C1 X1 + C2 X2 +......+ Ci Xi +... Cn Xn {3 - 6} :
Xi , , Xi m (m < n)
A11X1 + A12X2 +......+ AijXj +... A1nXn = B1;
.....................................................................................
Ai1X1 + Ai2X2 +......+ AijXj +... AinXn = Bi; {3 - 7}
.....................................................................................
Am1X1 + Am2X2 +.....+ AmjXj+... AmnXn = Bm.
. ( ..).
. . - , () .