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Eigenvalue Problem Simulation on Case 2 Single group eigenvalue problem

0.0004L2-Norm Error (x 10^-4)FNO-CP
-4,639.99962626,680.00027758,000.0001889,320.000083Sep 1, 2025

Evaluation results

MethodLinks
FNO-CPSolver Architecture=Fourier Neural Operator (FNO), Preconditioning Algorithm=Constrained Preconditioning (CP)2025.090.0004——
FNO-SPSolver Architecture=Fourier Neural Operator (FNO), Preconditioning Algorithm=Sequential Preconditioning (SP)2025.090.0004——
DON-CPSolver Architecture=DeepONet, Preconditioning Algorithm=Constrained Preconditioning (CP)2025.090.0005——
DON-SPSolver Architecture=DeepONet, Preconditioning Algorithm=Sequential Preconditioning (SP)2025.090.0012——
FNO-CPBackbone=FNO, Preconditioning=Constrained2025.0936,00047.2650.4026
FNO-SPBackbone=FNO, Preconditioning=Simple2025.0938,00048.9350.4026
DON-CPBackbone=DeepONet, Preconditioning=Constrained2025.0948,00043.3820.4026
DON-SPBackbone=DeepONet, Preconditioning=Simple2025.09116,00074.9230.4026
Model-basedMethod Type=Standard iterative solver2025.09—1000.4025