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Evolution Strategies (ES)


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Evolution Strategies (ES)



Algorithm that implements 'Evolution Strategies' (ES) ('mu-lambda' and 'mu+lambda' variants).

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This function uses ES to optimize a function f(x_1,...,x_n). There are a set of 55 test functions to check the effectiveness of the algorithm when optimizing functions.

Feel free to leave comments, corrections or suggestions. Read the comments in the code for more information and bibliography used in the development of this code.


Test Functions For Global Optimization Algorithms inspired this file.

MATLAB release MATLAB 7.11 (R2010b)
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Comments and Ratings (3)
17 Apr 2013 ahmad


sorry, in this code which variable represents optimal decision vector?

23 Apr 2012 Gilberto Alejandro Ortiz Garcia

Thanks for your feedback ZHANG...

23 Apr 2012 ZHANG

The implementation is very straightforward and good based on my opinion. However, the program becomes slow when tested by n_x=30, mu=lambda=100 after a few hundred generations. This may be the problem of Evolutionary Strategy itself not the implementation.

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