{"coeffs": [-1.7543660306529884e-06, 0.00022620670239188105, 0.6369755743152485, 0.14291996744679722], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.147731770302145e-07, 2.8467469161563847e-05, 0.03269398791972866, 0.00898678055056716], "covariance": [[8.368099654139522e-13, -1.856202136664567e-11, -2.1326677163997373e-08, -6.942388350990462e-09], [-1.856202136664566e-11, 8.103968004645886e-10, 9.289619497991691e-07, 2.429863984388369e-07], [-2.1326677163997334e-08, 9.28961949799169e-07, 0.0010688968460953636, 0.00028147679710831735], [-6.942388350990462e-09, 2.42986398438837e-07, 0.0002814767971083175, 8.076222466405217e-05]]}