{"coeffs": [-3.109538986813594e-07, 0.17073557183903323, 1.750749685749183, 0.13134100341200808], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.631484102062803e-07, 81.60546066010322, 63.389615643240845, 0.00795259565796169], "covariance": [[2.6617403752836703e-14, -8.985221583713166e-06, -6.981187528680751e-06, -1.0349394240373623e-09], [-8.98522158404568e-06, 6659.451209547653, 5172.9385450954405, 0.6228302746747746], [-6.981187528943373e-06, 5172.938545095366, 4018.2433713978044, 0.4838461826183967], [-1.0349394240560541e-09, 0.6228302746661367, 0.48384618261171247, 6.324377769903114e-05]]}