Using Genetic Programming with Prior Formula Knowledge to Solve Symbolic Regression Problem

Algorithm 3

.

Input: ,

Output: (ordered local expressions set that are sorted according to frequency of occurrence which is larger than )

()    

()    for each  pair     in  

()     

()     for each    in  

()      if  

()       change ’s element to // indicates the number of times that appears

()      else

()       add   into

()     end

() end

() for each in

()  if  

()   add    into

() end

() sort()

() return C