{"coeffs": [-4.160133157129102e-06, 0.4305034197386971, 2.210122006782566, 0.19864925682204873], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.6730140941468721e-06, 150.6125053932936, 69.83899555144421, 0.018048168744496725], "covariance": [[2.7989761592140788e-12, -0.00021038667733482697, -9.758249360608107e-05, -2.7877119359424852e-08], [-0.000210386677342555, 22684.126780844894, 10518.624870021442, 2.6420005646672204], [-9.758249360950398e-05, 10518.624870021105, 4877.485299634644, 1.225238016096523], [-2.787711935991729e-08, 2.642000564624881, 1.225238016077046, 0.00032573639502982843]]}