problem in coding of firefly algorithm

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Mudasir Ahmed 2015-6-4

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https://ww2.mathworks.cn/matlabcentral/answers/222476-problem-in-coding-of-firefly-algorithm

评论： Mudasir Ahmed 2015-6-4

i am writing a program, in which i take three variable p1,p2,p3, and their object is to reach at position "t" in the shape of swarm. means at the end of iteration all variables value will be 50. here i just write the initial stage coding of program, but i am not getting the correct response. can any body help me, i will be thankful

regards

p1=10
p2=15
p3=20
t=50
b0=1
gamab=1     %initial
gamae=10     %final
for i=1:50
      d1=t-p1
      r1=sqrt((d1)^2)
      d2=t-p2
      r2=sqrt((d2)^2)
      d3=t-p3
      r3=sqrt((d3)^2)
      gama=gamab+((gamae-gamab)*i)/50
      c=gama^r1^2
      b1=b0*exp(-c)
      d=gama^r2^2
      b2=b0*exp(-d)
      e=gama^r3^2
      b3=b0*exp(-e)
    end

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采纳的回答

Walter Roberson 2015-6-4

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/222476-problem-in-coding-of-firefly-algorithm#answer_181588

If you want the value of the variables to change, then you need to assign them new values inside the loop. You make calculations based upon t and p1, p2, p3, but you never change any of those in your loop.