{"coeffs": [-1.2400477138573742e-07, 0.13575675324312067, 1.251299385728501, 0.06499535619781377], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [2.83968118319799e-08, 230.17432953095707, 110.43164603900827, 0.004385479535257147], "covariance": [[8.063789222208737e-16, -2.623841384677257e-06, -1.2589985934412578e-06, -6.361416602692089e-11], [-2.6238413853085346e-06, 52980.22197502562, 25418.529926805928, 0.9664221283123018], [-1.2589985937841994e-06, 25418.52992680524, 12195.14844688481, 0.46367978984444536], [-6.361416603614379e-11, 0.9664221282419198, 0.4636797898107482, 1.9232430754159245e-05]]}