{"coeffs": [-1.0316113363062666e-06, 0.21573685010956384, 1.9290696640247178, 0.1594310741146872], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.3208156668077145e-07, 60.1823754314009, 44.734820123269124, 0.008731920786052994], "covariance": [[1.1027816692915565e-13, -1.5150008022486528e-05, -1.1264475570148658e-05, -2.5156715944747623e-09], [-1.515000802447509e-05, 3621.9183125660866, 2692.2475010891167, 0.5070760279416038], [-1.1264475571594865e-05, 2692.247501088901, 2001.2041314612438, 0.3769633052642731], [-2.5156715946420256e-09, 0.5070760279153319, 0.3769633052447847, 7.624644061390435e-05]]}