{"coeffs": [-3.532882781019815e-06, 0.1913131396279985, 2.3804675532056088, 0.22945827710092254], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.658550580679964e-07, 28.891652068395246, 34.97475889516895, 0.013405641030256384], "covariance": [[5.86533969968334e-13, -1.932897402764576e-05, -2.340582563111638e-05, -9.724197047688385e-09], [-1.9328974022852725e-05, 834.7275592412074, 1010.4783693829876, 0.37822853241607585], [-2.3405825625365686e-05, 1010.4783693833004, 1223.2337597751991, 0.45792684010485474], [-9.72419704649156e-09, 0.37822853245755605, 0.4579268401549006, 0.00017971121143209342]]}