{"coeffs": [-1.930181335064662e-08, 1.775462312964079e-05, 0.6628444667973171, 0.0828497793729899], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.4492935177345815e-08, 8.068523019281379e-06, 0.05923118703982339, 0.00843367454937379], "covariance": [[1.1897625771485802e-15, -1.2381142189352378e-13, -9.404640943002106e-10, -1.6695542810961486e-10], [-1.2381142189352497e-13, 6.510106371267351e-11, 4.76966688556827e-07, 6.422491886013791e-08], [-9.404640943002201e-10, 4.769666885568265e-07, 0.003508333518146543, 0.0004798199431382519], [-1.669554281096163e-10, 6.422491886013763e-08, 0.0004798199431382503, 7.112686640475519e-05]]}