using discrete values in the gamultiobj-function
1 view (last 30 days)
Show older comments
Hello,
as part of my thesis, I'm trying to optimize seven parameters with multiobjective optimization using genetic algorithms. Now, these parameters (decision values) are all discrete and not similar to each other.
f.e.: x(1)=[0,0.01,0,02,...], x(2)=[0,1,2,3,...],x(3)=[0,0.16,0.8,16,...],...
How can I handle this problem?
I appreciate your help!
Thank you,
Niels
Answers (1)
Alan Weiss
on 25 Mar 2013
Unfortunately, gamultiobj does not accept integer constraints.
The only thing I can suggest is exhaustive search, or maybe exhaustive search in a range of interest. If you have, say, 10 values of each component of x, then there are 10^7 values in an exhaustive search. You might be able to generate all these values if your objective function is relatively quick to evaluate, especially if you write it in a vectorized form. Once you have all 10^7 values, you can generate the K-D objective functions, and look for the appropriate Pareto values.
Sorry I can't offer you anything better.
Alan Weiss
MATLAB mathematical toolbox documentation
5 Comments
susana
on 3 Feb 2015
Hello alan
matlab 2014b can do this?
I have 2 objective functions, and 7 decision variables. The decision variables are discretes.
How can I handle this problem?
Thank you,
susana
on 5 Feb 2015
Hello alan
matlab 2014b can do this?
I have 2 objective functions, and 7 decision variables. The decision variables are discretes.
How can I handle this problem?
Please, help me...
See Also
Products
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!