{"coeffs": [-6.079388863058531e-07, 0.20353168200346688, 1.8079937980591585, 0.14664517050949458], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.065019976780557e-07, 81.4102712146194, 59.09532693980921, 0.01259217936079531], "covariance": [[2.5654427365186113e-13, -2.9837271471384305e-05, -2.1665938488846823e-05, -5.355351136533591e-09], [-2.9837271475703512e-05, 6627.632259237888, 4810.966063628093, 0.9867184314847748], [-2.1665938492077864e-05, 4810.966063627623, 3492.2576661229405, 0.7163487233429753], [-5.355351136922599e-09, 0.9867184314269, 0.7163487233009735, 0.0001585629810544394]]}