,
 

()



3.

3.1

:

. .

, , . , .


3.2

, : () . - ( ) , , . , 젠 , .

, . , . , - , , , , . . , .

, . , , . , " . . , .


3.3

E = f(X,Y) {3 - 1}

:

E T, .

X , ;

Y , ; .

, , , . , , E , Xi , , .

.

, , , . , , .


3.4

. N =24000 . , .

, . Cx=10 , ( ) Cp =400 .

, , 2 ! , ?

. n p = N / n 24000 / n.

,

t = 12 / p (), n/2 .

n ?

0.1 12 n / 2 400p n .

E = Tn / 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 = a1X1 + a2X2 + ..... anXn {3 - 5}

Xi , ai , .

. E = f(a,X), . .

, , , .

, , , .

, , .

1915 , . . .

( / ); . .

, ( ) , , .

.

, , . :

( )

E(X) = C1X1 + C2X2 + ......+ CiXi + ... CnXn {3 - 6} :

Xi , , Xi m (m < n)

 


A11X1 + A12X2 + ......+ AijXj + ... A1nXn = B1;

.....................................................................................

Ai1X1 + Ai2X2 + ......+ AijXj + ... AinXn = Bi; {3 - 7}

.....................................................................................

Am1X1 + Am2X2 + .....+ AmjXj+ ... AmnXn = Bm .

. ( ..).

. . - , () .


3.5

. , , . ( ), c. , , ࠠ , .

: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11




2009 .