Saving intermediate population during GA

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andrea84
andrea84 2013-4-17
回答： Daniel Frisch 2020-10-7
I need some help to find out a way to store the information related to every generation of the GA
(both the variable and the fitness values)
It could be both on an external file ( e.g. in a .txt file) or in a struct array.
Which one do you suggest? And how can I do it?
Thanks in advance

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采纳的回答

Alan Weiss
Alan Weiss 2013-4-18
You can save whatever you like using an output function. For examples of output functions (using a different syntax, be careful, GA uses its own), see a MATLAB example, and an Optimization Toolbox example.
Alan Weiss
MATLAB mathematical toolbox documentation
  2 个评论
andrea84
andrea84 2013-4-18
编辑：andrea84 2013-4-18
Reviewing the example gave me a clearer understanding of the problem.
Thank you!
yusra asad
yusra asad 2018-12-8
It seems that the example gives only the values of the variables, I need the corresponding fval for each indiviual, did you get it?

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更多回答（1 个）

Daniel Frisch
Daniel Frisch 2020-10-7
You can use my function
outputFcn_global
to store all intermediate results in a global variable, and easily inspect them later on.
https://de.mathworks.com/matlabcentral/fileexchange/80831-outputfcn_global

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