{"coeffs": [-8.300047693668659e-08, 9.40349990317841e-05, 0.8895288761951242, 0.1281207686588896], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.957730325084775e-08, 4.588031233021006e-05, 0.07643575910886677, 0.003740519654553702], "covariance": [[3.832708025756539e-16, -5.720507603482089e-13, -9.7758144377921e-10, -5.605268499416636e-11], [-5.720507603482087e-13, 2.1050030595176255e-09, 3.5045902863790354e-06, 1.640337357603426e-07], [-9.77581443779207e-10, 3.5045902863790345e-06, 0.00584242527054871, 0.00027609258662844637], [-5.605268499416562e-11, 1.6403373576034256e-07, 0.0002760925866284463, 1.3991487286102547e-05]]}