{"coeffs": [6.190407407294439e-08, 1.4238045532682576e-05, 0.680280604705455, 0.0726567335902438], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.25904114603634e-08, 2.1056793840497948e-05, 0.15803758840674834, 0.017293841095701857], "covariance": [[1.813943148363054e-15, -3.634738453783605e-13, -2.8340216063592837e-09, -3.865425207901989e-10], [-3.6347384537836836e-13, 4.4338856684123226e-10, 3.322488399198485e-06, 3.450421263092766e-07], [-2.834021606359333e-09, 3.3224883991984817e-06, 0.024975879349420794, 0.0026316130385913325], [-3.865425207902024e-10, 3.4504212630927445e-07, 0.002631613038591319, 0.0002990769398433864]]}