, , .
, .
(U) (L = U + E):
u =
.
U .
, .
.
(I) , .
() , .
, (. 10.1): , , .
:
n (b) , ;
Phe (h) , ;
Pun () , ;
nu (g) , ;
(s) , ;
u (f) , .
:
+ - - + + -
u = F (b, h, , g, s, f),
.
. 10.1.
, .
:
(h + g) N = b (L - U) + cU.
:
I = O *(L - U) + gN * O = fU + cU.
:
u = U / L =
, , , :
I = s (L - U),
O = fU.
1=0
u =
d , .
U () :
U = I* d d, .
u = * d i = I / L ,
|
|
u = i * d.
, o = O / U ,
u = i / o.
( ).
, , .
, , , , .
, , : , , .
. , .
, . .
, , .
, .
, , , .
, , , (, ). .
. , .
.
:
;
;
, , ;
, ;
, , ;
;
.
. 10.2 . , (w max), , , , , , .
|
|
, , .
. 10.2.
, (. 10.3) , n * . , , , (n), E (max w | n). n * . , . , n, .
, , , , , wr. , , R (w), . . E (w) , .
, . p (wr) w ³ wr, : D *=l / p (wr), CD *.
:
R (w) = E(w |w ³ wr) - [ C / p (wr)].
. 10.3.
wr * wr
. 10. 4.
R (w) . 10.4.
, :
= f (w) dw.
. 10.2. ( .) D * :
D *= 1 / p = 1 / (w) dw.
u :
wr :
E(w w ³ wr) = f(w) wdw / f(w) dw = f(w) wdWD *.
:
wr = f(w) wdwD * - ( - Bu) D *.
, , wr. , :
( - u) = f(w) wdw - pwr = (w - wr)f (w) dw.
, ( ) ( ). A (wr), .
( - u) = A (wr).
. 10.5. u u wr w r , , . , , . ( ), , .
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(, - ), , A (wr), , ( . 10.5 A (wr), .
. 10.5.