if i have two vector how to perform single crossover?

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if i have
p1 = [ 1 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 1 0 1 1]
p2 = [ 0 0 0 0 1 1 1 1 0 0 1 1 0 1 0 1 1 1 0 0 0 1 0 0]
how to perform single crossover
c1 = [ 1 0 1 1 1 0 1 0 1 0 1 0 0 1 0 1 1 1 0 0 0 1 0 0]
c2 = [ 0 0 0 0 1 1 1 1 0 0 1 1 1 0 1 0 0 0 0 0 1 0 1 1]

采纳的回答

Star Strider
Star Strider 2016-5-9
This is how I do it in genetic algorithm programming:
p1 = [ 1 0 1 1 1 0 1 0 1 0 1 0 1 0 1 0 0 0 0 0 1 0 1 1];
p2 = [ 0 0 0 0 1 1 1 1 0 0 1 1 0 1 0 1 1 1 0 0 0 1 0 0];
CrossoverIndex = 12; % This Would Usually Be Random
c1 = [p1(1:CrossoverIndex) p2(CrossoverIndex+1:end)];
c2 = [p2(1:CrossoverIndex) p1(CrossoverIndex+1:end)];
Producing:
c1 = 1 0 1 1 1 0 1 0 1 0 1 0 0 1 0 1 1 1 0 0 0 1 0 0
c2 = 0 0 0 0 1 1 1 1 0 0 1 1 1 0 1 0 0 0 0 0 1 0 1 1
  4 个评论
Md. Kawsar Ahmed Asif
Thanks a lot once again Star Strider. Now i've got it... But what about for 2-point crossover like Partially Mapped or Matched Crossover (PMX). Suppose i have two parents as following, (here i'm taking two crossover point at 3rd and 4th position)
P1 = [3 1 2 5 4]
P2 = [2 1 5 4 3] , will produce the 1st Offspring as
C1 = [4 1 2 5 3]
Again,
P2 = [2 1 5 4 3]
P1 = [3 1 2 5 4] , wili produce the remaining 2nd Offspring as
C2 = [3 1 5 4 2]
Now how can i get these Two Offspring proceeding by 'Position Wise Exchanging'? (Where two parents are mapped to each other).
Thank You
ALA SHARAF
ALA SHARAF 2019-5-9
Is this two point crossover. Here actually no crossover between parents. only swapping first and last element of a parent and producing a new child.

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Hassan Sarfraz
Hassan Sarfraz 2018-9-6
Thanks... but how to get these parents from these childs again?

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