Constraint of optimization problem

Question

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Hi!

I am really desperate and I wish you can help me

I need to optimize (maximize) the function:

(a1*w1)+(a2*w2)+(a3*w3)+(a4*w4)+(a5*w5)+(a6*w6)

where the variables are w1, w2, w3, w4, w5 y w5 and a1, a2, a3, a4, a5 and a6 are constants

The Constraints are:

prob.Constraints.cons1 = w1+w2+w3+w4+w5+w6 == 1;
prob.Constraints.cons2 = w1>= 0;
prob.Constraints.cons3 = w2>= 0;
prob.Constraints.cons4 = w3>= 0;
prob.Constraints.cons5 = w4>= 0;
prob.Constraints.cons6 = w5>= 0;
prob.Constraints.cons7 = w6>= 0;
y=sort((w1*vector(:,1))+(w2*vector(:,2))+(w3*vector(:,3))+(w4*vector(:,4))+(w5*vector(:,5))+(w6*vector(:,6)));
prom=mean(y(1:r,:));
y1=prom<=0.0131;
prob.Constraints.cons8 = y1;