Constraint definition among the variables for Genetic Algorithm (GA) Optimization

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Hello Everyone,
I'm trying to use multiobjective genetic algorithm to identify various parameters for my models. I have a problem in defining the constraints between the variables. If v1,v2,v3 etc.,are the variables, then I want to define constraints like v1>v2>v3...
Could anyone help me out with this?
Thanks and Regards, Karthik

Respuestas (2)

Alan Weiss
Alan Weiss el 30 de Nov. de 2011
The syntax for gamultiobj includes linear inequality constraints: X = gamultiobj(FITNESSFCN,NVARS,A,b) If v is your vector of n decision variables, and you want v(1) > v(2), v(2) > v(3),...,v(n-1) > v(n), set your A matrix as
v = zeros(1,n);
v(1) = -1;v(2) = 1;
A = gallery('circul',v);
A(n,:) = [];
b = zeros(n-1,1);

Karthik  Vemireddy
Karthik Vemireddy el 2 de Dic. de 2011
Thank you Alan.....
Meanwhile I have found another simpler solution. It's described in the following link in detail...

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