  
,    "" ,     ,       .

             : 




   

------------------------------

 - 1




 ,    2,         .  ,       -      . ,                ,  ,    . 




   . ,    :    ()    ()? ,        ,    .   ,         . : 




: f1(k) = S1*(K-1)*p(K) - S1*(1-p(K))

: f2(k) = S2*p(K) - S2*(1-p(K))/(K-1),




 S1 -   , S2 -   , K - , p(K) -       K.  p(K) = 1/K + V(K),  V(K) -  ,      , , ,     K.   ,   V(K) = C/K,   -  ,     (,   K=2     10%  ,   ,  C=0.20).  : 




: f1(k) = S1*(K-1)*(1/K+C/K) - S1*(1-1/K-C/K) = 

= S1*((K-1)*(1/K+C/K) - (1-1/K-C/K)) =

= S1*(1+C-1/K-C/K-1+1/K+C/K) = 

= S1*C;


: f2(k) = S2*p(K) - S2*(1-p(K))/(K-1) = 

= (S2/(K-1))*((K-1)*(1/K+C/K) - (1-1/K-C/K)) =

= (S2/(K-1))*(1+C-1/K-C/K-1+1/K+C/K) = 

= S2*C/(K-1);




 ,       S(K)*C,  S(K) -      .     S(K) -   ,   ( ),           -  ,       .           ,        ,    . ,      S1*C   (S2/S1)+1, ,    f2(K)  ,              ,   - ,      K. 




 ,       (.. C<0,   ,   K*P(K)<0, ..    -  .),   ,       .      , ,   ,     
 
