{"coeffs": [2.8867497650566507e-08, 0.2724867355202058, 1.8977815334041561, 0.14814050035959697], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.6594926440129297e-07, 164.62196069396586, 90.40905768747534, 0.011483949961647729], "covariance": [[1.3391886411584744e-13, -4.38470453451057e-05, -2.408548095937782e-05, -3.5435883190632508e-09], [-4.3847045342373237e-05, 27100.389942725637, 14883.31568616786, 1.8201626444123582], [-2.4085480957971136e-05, 14883.31568616825, 8173.7977119372445, 0.9997017928458304], [-3.543588318973201e-09, 1.82016264445718, 0.9997017928702652, 0.00013188110672162888]]}