{"coeffs": [-1.5035170016977197e-06, 0.19745074557276504, 1.9198123730274512, 0.16639871228978276], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [2.441761472930918e-07, 18.902812975274696, 16.013201886283834, 0.004712374328928382], "covariance": [[5.962199090689764e-14, -3.5755377264766235e-06, -3.030110313840649e-06, -1.0130316439948061e-09], [-3.575537726975522e-06, 357.31633837821335, 302.6945074031952, 0.08606901372247923], [-3.0301103142621588e-06, 302.69450740315665, 256.4226346508841, 0.07292340383993824], [-1.0130316440651945e-09, 0.08606901371755354, 0.072923403835775, 2.220647181594322e-05]]}