
                                           
                    
                    
                     

          -
        (   )
     (.., ...   -
           -
      . /   -
      : . . . - : .
     . -, 1989. . 106-120.)
     -----------------------------------------------------

      : 0<=t<=1,

          dy1/dt = y2,
          dy2/dt = S0 * ((S1 + S2) * y1 - S2 * y3 - Q * W),
          dy3/dt = S2 * (y1 - y3),
          dy4/dt = -S3 * W,            

     

          Z0 = 1/ (1 + S6 * (S4 + y1)),
          W  = y4/ (S5 + EXP(-(S4 + y1) * Z0)),
          Q -    .

      :

          t = 0:   y2 = 0,   y3 = 0,   y4 = 1                        
          t = 1:   y2 = 0                                              

      :
                       
          S0, S1, S2, S3, S4, S5, S6.

          
      Q  y1(0)      
         y1. 
      
