ResearchBenchmarksPredicting Constraint Parameters on Fractional Knapsack Problem (KP) capacity=50, ρ=0 synthetic (test)Follow37.7Relative Predictive RegretIntOpt-C37.59638.2983939.702Jul 11, 2023Evaluation ResultsMethodMethodLinksRelative Predictive RegretFeasibility Relative Predictive RegretInfeasibility RatioMean Squared Error (MSE)IntOpt-Ccapacity=50, penalty c...capacity=50, penalty coefficient (ρ)=0, Epochs=2.5 ± 1.92023.0737.7—1009.8SFGEcapacity=50, penalty c...capacity=50, penalty coefficient (ρ)=0, Epochs=13.4 ± 3.72023.0738.5—1008.2PFLcapacity=50, penalty c...capacity=50, penalty coefficient (ρ)=0, Epochs=13.3 ± 2.92023.0740.310.77299.1