{"coeffs": [6.511083265781011e-08, 0.021793777466042323, 1.2758365486732826, 0.07660693745243767], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [3.6143368459642005e-08, 71.17068396510273, 249.42719335168002, 0.01927676123458152], "covariance": [[1.3063430836094446e-15, -1.10721618066624e-06, -3.881218005757381e-06, -3.8136250998355485e-10], [-1.1072161806563565e-06, 5065.26625606053, 17751.90356302153, 1.310217369529603], [-3.881218005773065e-06, 17751.903563021537, 62213.924783296374, 4.592129630565499], [-3.813625099808971e-10, 1.310217369530449, 4.5921296305685235, 0.00037159352369506494]]}