{"coeffs": [7.216828901479597e-07, 1.26205769194372, 1.8708511221856918, 0.1280482521862061], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.874389279954768e-07, 4154.216642577806, 423.3219878229986, 0.016507532742072284], "covariance": [[6.200600653226657e-13, -0.002170267155662373, -0.0002211728024606714, -1.0234703990592551e-08], [-0.0021702671562476073, 17257515.91347042, 1758571.2366718727, 65.77569068680961], [-0.0002211728025247873, 1758571.2366718068, 179201.505374415, 6.7028724498766765], [-1.023470399199756e-08, 65.77569068010105, 6.702872449191904, 0.00027249863723058853]]}