Return Functions and conditional execution in GA.

2 次查看（过去 30 天）
Zaharaddeen Hussaini
Hi, I am trying to change my code to work with ga. Formerly I had to create another function file that puts in all my variables in a loop. This was cumberomse and time consuming.
Unfortunatel I had to ask this question again but this time I have attached all the files. Hopefully it will help to understand
When using ga, the file works however it takes a very long time hence my doubts if fitness functions such as this is recommended.
Also the NaN might not be a good idea but I am not sure if the if condition below (full code is attached) can be depicted as a contraint. Any form of guidance will be appreciated.
Thank you
(Here below are bits of the function file)
function lcoe = taggered(X)
XC_GA = X;
X(1) = round(X(1));
LW = sqrt(XC_GA(2));
LH = sqrt(XC_GA(2));
XC_GA(6) = XC_GA(6).* DM;
...
HeliostatCost = (145.* HeliostatCount .* XC_GA(2)) ;
TowerCost = 3000000 .* exp(0.0113.* (XC_GA(3) - (XC_GA(5)./2) +((sqrt(XC_GA(2))./2))));
ReceiverCost = 103000000 * ((2.* pi* XC_GA(4) .* XC_GA(5))./1571).^0.7;
Total_Cost = ReceiverCost + TowerCost + HeliostatCost;
if Power >= (PowerLimit-0.05) && Power <= (PowerLimit+0.05)
lcoe = Total_Cost/Annual_power1
else
lcoe = NaN;
end
end

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