{"coeffs": [-5.207118756060685e-07, 3.917126268402277e-05, 0.5372810585914801, 0.15396359737275017], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.766323221813066e-08, 1.2101948276698888e-06, 0.009079676696929618, 0.0033407785678504715], "covariance": [[6.031577638567289e-15, -6.789811116079493e-14, -4.933127183778564e-10, -2.225254306965458e-10], [-6.789811116079488e-14, 1.464571520918952e-12, 1.0953521240552623e-08, 3.8246223431997936e-09], [-4.933127183778561e-10, 1.0953521240552627e-08, 8.244052892076675e-05, 2.8653720198478577e-05], [-2.2252543069654573e-10, 3.824622343199797e-09, 2.8653720198478594e-05, 1.1160801439409047e-05]]}