{ "seed": 2771, "model": "dx/dt = x - x^3 + u (desired positive equilibrium)", "predictions": { "saddle_node": { "analytic_uc": 0.3849001794597505, "numeric_last_three_root_u": 0.3849, "absolute_error": 1.7945975050448482e-07 }, "local_vs_global": "desired Jacobian remains negative throughout the three-root bistable interval; local stability does not imply global recovery", "basin_transition": "at u=0, separatrix is x=0 and desired equilibrium is x=1; recovery probability is Phi(1/epsilon)" }, "stability_sweep": [ { "u": 0.0, "roots": [ -1.0, 0.0, 1.0 ], "desired_jacobian": -2.0, "locally_stable": true, "coexisting": true }, { "u": 0.1, "roots": [ -0.9456492739235919, -0.10103125788101083, 1.0466805318046022 ], "desired_jacobian": -2.2866204069762945, "locally_stable": true, "coexisting": true }, { "u": 0.2, "roots": [ -0.8788850662499734, -0.20914884844131656, 1.0880339146912905 ], "desired_jacobian": -2.5514533985553633, "locally_stable": true, "coexisting": true }, { "u": 0.35, "roots": [ -0.7140106835733218, -0.428896406402875, 1.1429070899761962 ], "desired_jacobian": -2.9187098489535708, "locally_stable": true, "coexisting": true }, { "u": 0.38, "roots": [ -0.6297529346989725, -0.5233111196073493, 1.1530640543063222 ], "desired_jacobian": -2.9886701399999995, "locally_stable": true, "coexisting": true } ], "basin_sweep": [ { "epsilon": 0.1, "B_hat": 1.0, "B_predicted_gaussian": 1.0, "separatrix": 0.0, "reference": 1.0 }, { "epsilon": 0.3, "B_hat": 1.0, "B_predicted_gaussian": 0.9995709396668031, "separatrix": 0.0, "reference": 1.0 }, { "epsilon": 0.5, "B_hat": 0.97875, "B_predicted_gaussian": 0.9772498680518208, "separatrix": 0.0, "reference": 1.0 }, { "epsilon": 0.7, "B_hat": 0.9215, "B_predicted_gaussian": 0.9234362744901652, "separatrix": 0.0, "reference": 1.0 }, { "epsilon": 0.9, "B_hat": 0.8675, "B_predicted_gaussian": 0.8667397370974945, "separatrix": 0.0, "reference": 1.0 }, { "epsilon": 1.1, "B_hat": 0.83075, "B_predicted_gaussian": 0.818348929556551, "separatrix": 0.0, "reference": 1.0 } ], "finite_horizon_comparison": { "threshold_only": { "failure_rate": 0.14333333333333334, "release_rate": 1.0 }, "basin_guard": { "failure_rate": 0.2, "release_rate": 0.0 } } }