{"coeffs": [-3.18899717008059e-07, 0.30908970221631776, 2.325959174726154, 0.17863210784292205], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [2.440716600548574e-07, 557.1329668396484, 323.0405693732988, 0.017148489419315845], "covariance": [[5.957097524193387e-14, -0.00010881885406196358, -6.310093800763958e-05, -3.764434182729597e-09], [-0.00010881885409584651, 310397.14273954876, 179976.5493969322, 9.252336389165709], [-6.310093802732596e-05, 179976.54939692098, 104355.2094610251, 5.364925437242931], [-3.764434183330748e-09, 9.252336387978511, 5.364925436555114, 0.00029407068936438747]]}