                                                                                       1
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*****               . 
*****             . 
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  :
                                 
            dy(1)/dt + (p + omeg)*y(1) = f(yn) + q*y(2), 

            dy(2)/dt + (p + q + omeg)*y(2) = p*y(1) + q*y(3)
            --------------------
            --------------------
            dy(n-2)/dt + (p + q + omeg)*y(n-1) = p*y(n-3) + q*y(n-1)

            dy(n-1)/dt + (p +q + omeg)*y(n-1) = p*y(n-2)

            dy(n)/dt + TETA*y(n) = p*y(n-1)

 y(n) -    ,   

f(u) = ALFA/(1 + BETA*u^GAMA), p = (n-1)/TAU1, q = (n-1)/TAU2

ALFA, BETA, GAMA, TETA, TAU1, TAU2, omeg -  .
           
     TAU1 < TAU2,  c     yn(t) 
  u(t),      :

              dx/dt = f(x(t-TAU))*exp(-omeg*TAU) - TETA*x, 

                    TAU = TAU1*TAU2/(TAU2-TAU1).  

 TAU1 >= TAU2,       .

   .   ,     , 
    TAU1 = TAU2, omeg = 0,     n  
   .
 
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