{"coeffs": [-2.6536774095985003e-09, 2.2766107440578426e-05, 0.48471865246923795, 0.20076892577030284], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.219567524053768e-07, 2.483596455857019e-06, 0.03892551210681708, 0.02507808492450189], "covariance": [[2.7243885138156786e-13, -1.091066727242479e-12, -1.5417827846039e-08, -1.2325201403308065e-08], [-1.091066727242475e-12, 6.168251355545546e-12, 9.553917375084825e-08, 5.985412643205299e-08], [-1.5417827846038915e-08, 9.553917375084816e-08, 0.0015151954927779627, 0.0008987021003260657], [-1.2325201403308045e-08, 5.985412643205309e-08, 0.0008987021003260683, 0.000628910343480529]]}