{"coeffs": [-3.6240580574597234e-07, 0.20806666482462186, 2.004936566903669, 0.16908453580803048], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.406500209927476e-07, 87.2446694501782, 71.37100283959121, 0.014483295965138417], "covariance": [[2.923024451994585e-13, -3.682993742960324e-05, -3.013707035240629e-05, -6.929926401828131e-09], [-3.6829937431571526e-05, 7611.632347470857, 6226.73899097449, 1.2215946674674951], [-3.013707035415128e-05, 6226.73899097427, 5093.820046328938, 0.999444409986492], [-6.9299264020013705e-09, 1.2215946674404332, 0.9994444099642543, 0.00020976586201379476]]}