{"coeffs": [-1.326909640273993e-06, 0.00010075302566024605, 0.5211818481619885, 0.13368821425842273], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.5984167263361046e-07, 2.416484380854119e-06, 0.006442177908719746, 0.0030541263418336915], "covariance": [[6.751769483703237e-14, -4.287725859571025e-13, -1.034407735705442e-09, -6.613875365403366e-10], [-4.2877258595710286e-13, 5.839396762911914e-12, 1.5429980029376482e-08, 6.894266235146488e-09], [-1.0344077357054427e-09, 1.5429980029376482e-08, 4.150165620759672e-05, 1.7989983948488787e-05], [-6.613875365403372e-10, 6.89426623514649e-09, 1.7989983948488787e-05, 9.327687711882445e-06]]}