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Fix divide-by-zero in oem1 accuracy constraint #2

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Fix divide-by-zero in oem1 accuracy constraint #2

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19 changes: 13 additions & 6 deletions oem1.m
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Original file line number Diff line number Diff line change
Expand Up @@ -152,12 +152,19 @@
x = round(x);

% Inequality constraints
c = [
sum(x .* cost) - budget; % Total cost should not exceed budget
-sum(x .* infoGain) + minInfoGain; % Total information gain should be at least minInfoGain
-sum(x .* accuracy) / sum(x) + minAvgAccuracy; % Average accuracy should be at least minAvgAccuracy
-sum(x .* mtbf) + minTotalMTBF % Total MTBF should be at least minTotalMTBF
];
totalSelected = sum(x);
if totalSelected > 0
avgAccuracy = sum(x .* accuracy) / totalSelected;
else
avgAccuracy = 0; % Avoid division by zero when no sensors selected
end

c = [
sum(x .* cost) - budget; % Total cost should not exceed budget
-sum(x .* infoGain) + minInfoGain; % Total information gain should be at least minInfoGain
-avgAccuracy + minAvgAccuracy; % Average accuracy should be at least minAvgAccuracy
-sum(x .* mtbf) + minTotalMTBF % Total MTBF should be at least minTotalMTBF
];

% Equality constraint: Exactly 2 sensors should be selected
ceq = sum(x) - 2;
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