{"coeffs": [-3.0370774960487144e-06, 0.1586572615594847, 2.121176305844631, 0.2066819718156755], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.4787251797239136e-06, 28.281166290745844, 37.3274723037433, 0.020645040577334874], "covariance": [[2.1866281571495204e-12, -3.539977077697049e-05, -4.674600554914931e-05, -2.8412939936075355e-08], [-3.5399770778998133e-05, 799.824366764819, 1055.6640122648255, 0.5682302706915036], [-4.674600555179023e-05, 1055.6640122647252, 1393.340188586723, 0.7501513566694962], [-2.841293993687213e-08, 0.5682302706775265, 0.7501513566511073, 0.00042621770043980344]]}