{"coeffs": [-8.224263816393553e-07, 0.22819467313226985, 1.8973146904382443, 0.15533187369396312], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.050823211737155e-07, 96.77088143445725, 66.30711610015139, 0.012696833487573356], "covariance": [[2.5510815116222835e-13, -3.65404733964871e-05, -2.5044536490307416e-05, -5.510357601998251e-09], [-3.654047339902053e-05, 9364.603493601782, 6416.597509335799, 1.184653301350118], [-2.5044536492034228e-05, 6416.597509335538, 4396.633645518955, 0.8118140907837141], [-5.510357602191407e-09, 1.1846533013184348, 0.8118140907619814, 0.0001612095806111642]]}