{"coeffs": [-6.683953137042236e-07, 5.529259492652416e-05, 0.4188586002841626, 0.1563267077646279], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.822314117007351e-07, 1.407539007447679e-06, 0.007764403602890134, 0.004987788593280924], "covariance": [[7.965456975058983e-14, -2.906619299239811e-13, -1.3202463571098384e-09, -1.2355629859431774e-09], [-2.906619299239812e-13, 1.981166057486797e-12, 1.0687263415853272e-08, 6.566981252997169e-09], [-1.3202463571098392e-09, 1.0687263415853273e-08, 6.0285963308573294e-05, 3.390267091538587e-05], [-1.2355629859431778e-09, 6.5669812529971665e-09, 3.390267091538585e-05, 2.48780350512633e-05]]}