Multiobjective optimization using gamultiobj

Dear all, I am doing my project at this moment. My project is about aircraft concept design optimization. I have three objectives for optimization. The problem are can i use gamultiobj for three different objective functions. I have 5 design variables for constraints, for example x(1), x(2), ... x(5). I know how to setup the bounds for each constraints, but i dont know how to setup a constraint for x(1) - x(2) must be bigger than 0.
Thank you.

 采纳的回答

The constraint x(1) - x(2) >= 0 can be expressed as a linear inequality constraint
A*x <= b
using the matrices
A = [-1 1 0 0 0]; % I assume x is 5 dimensional
b = 0;
Alan Weiss
MATLAB mathematical toolbox documentation

3 个评论

Thanks for you answer. That is very help for me. One more question, do you know how to use MATLAB to do three different objectives optimization?
This example shows how to compute the Pareto front for two objectives. This example shows another 2-objective problem and solution. This example shows yet another. It should be clear how to extend these examples to three objectives.
Alan Weiss
MATLAB mathematical toolbox documentation
Alright. Thank you very much.

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