format version = 1.0
 
 
 begin system ss_branch                    
  
 type = SSystem
 date =  7-Aug-08 08:31:11
 url = http://www.cs.chalmers.se/~dag/identification

 // An S-system has the generic ODE:
 // d/dt X_i = alpha_i * (PRODUCT_j (X_j)^g_ij) - 
 //            beta_i * (PRODUCT_j (X_j)^h_ij)
 // where: alpha is a vector of length n
 //        beta is a vector of length n
 //        g is an n*n matrix
 //        h is an n*n matrix
 //        n is the number of variables

 // VARIABLES
 
 variable_1 has name = x1 is dependent
 variable_2 has name = x2 is dependent
 variable_3 has name = x3 is dependent
 variable_4 has name = x4 is dependent

 
 // ALPHA
 alpha_1 =   12.
 alpha_2 =   8.
 alpha_3 =   3.
 alpha_4 =   2.
 
 // BETA
 beta_1 =   10.
 beta_2 =   3.
 beta_3 =   5.
 beta_4 =   6.
 
 // G
 g has defaultValue = 0
 g_1_3 =  -0.8
 g_2_1 =   0.5
 g_3_2 =   0.75
 g_4_1 =   0.5
 
 // H
 h has defaultValue = 0
 h_1_1 =   0.5
 h_2_2 =   0.75
 h_3_3 =   0.5
 h_3_4 =   0.2
 h_4_4 =   0.8
   
 end of system ss_branch