{"coeffs": [-1.6129180170236e-06, 6.192856297937753e-05, 0.455650540278831, 0.1606145211720907], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.655164080843402e-07, 1.1341050659717479e-06, 0.005647127073847179, 0.0030523096951404123], "covariance": [[2.7395681345141836e-14, -1.3941448518822002e-13, -6.192175381522152e-10, -4.449967714854925e-10], [-1.3941448518822022e-13, 1.2861943006627826e-12, 6.3346908142096725e-09, 3.2597489237793e-09], [-6.192175381522165e-10, 6.334690814209673e-09, 3.1890044188177803e-05, 1.568664686223816e-05], [-4.4499677148549297e-10, 3.2597489237792982e-09, 1.568664686223815e-05, 9.316594475048157e-06]]}