ResearchBenchmarksTrajectory Prediction on Modified Damped Pendulum Out-of-DistributionTrajectory Prediction on Modified Damped Pendulum Out-of-DistributionFollow1.01MSE(x, T2, e0) OODOrthoReg1.00761.02381.041.0562Jun 17, 2026Evaluation resultsMethodMethodLinksMSE(x, T2, e0) OODMSE(x_dot, T3, e2) OODOrthoRegMethod description=Ort...Method description=OrthoReg-regularized hybrid2026.061.010.02OrthoReg2026.061.01—PureMethod description=Pur...Method description=Pure symbolic regression (SINDy)2026.061.0234PINN2026.061.02—L2Method description=L2-...Method description=L2-regularized hybrid2026.061.077.9Universal ODE2026.061.07—