{"coeffs": [1.0927546313595201e-07, 0.2759106204875229, 1.7444538190320529, 0.13809494488858085], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.328196796026442e-07, 137.0064588189039, 69.12253125847548, 0.013936045978754545], "covariance": [[5.370246828129221e-13, -7.001558384310776e-05, -3.533621104146909e-05, -8.348088169335865e-09], [-7.001558382945767e-05, 18770.769758096012, 9470.232245871755, 1.834707157561083], [-3.5336211034400365e-05, 9470.23224587287, 4777.9243275789195, 0.9257683528616608], [-8.348088168491873e-09, 1.83470715769798, 0.9257683529307345, 0.00019421337752196073]]}