dr Tomasz D.Gwiazda
Assistant Professor

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Standard operators

Binary coded operators
 k-Point Crossover (k-PX) download PDF with first 40 pages from my latest eBook if you need more operators click here Read also ● Nomura T.  (1997), An Analysis on Crossovers for Real Number Chromosomes in an Infinite Population Size, ATR Human Information Processing Research Laboratories, Evolutionary Systems Department             http://citeseer.ist.psu.edu/62577.html Algorithm 1.     select two parents A(t) and B(t) from a parent pool 2.     create two offspring  C(t+1)  and D(t+1)  as follows: 3.     randomly choose k crossover points cp1,...,cpk from set {1,...,n-1} 4.              for i = 1 to cp1 do 5.              ci(t+1)=ai(t)  6.              di(t+1)=bi(t)  7.              end do 8.     switch = 0 9.              for j = 2 to k do 10.                           if switch = 0 then 11.                                           for i=cpj-1+1 to cpj do 12.                                           ci(t+1)=bi(t) 13.                                           di(t+1)=ai(t) 14.                                           end do 15.                           switch = 1 16.                           else 17.                                           for i=cpj-1+1 to cpj do 18.                                           ci(t+1)=ai(t)  19.                                           di(t+1)=bi(t) 20.                                           end do 21.                           switch = 0 22.                           end if 23.           end do 24.           if switch  = 0 then 25.                           for i=cpk+1 to n do 26.                           ci(t+1)=bi(t)  27.                           di(t+1)=ai(t) 28.                           end do 29.           else 30.                           for i=cpk+1 to n do 31.                           ci(t+1)=ai(t) 32.                           di(t+1)=bi(t) 33.                           end do 34.           end if

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