{"coeffs": [-4.125084863591915e-06, 6.284008476479389e-05, 0.48608934252263913, 0.20495887134890184], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2716281030342242e-06, 6.0019317380292055e-06, 0.03243483494613475, 0.020969156334802265], "covariance": [[1.6170380324264195e-12, -6.467869550958048e-12, -3.162445073897627e-08, -2.5184289480896453e-08], [-6.46786955095804e-12, 3.602318458796228e-11, 1.9245347029815564e-07, 1.211162269302066e-07], [-3.162445073897622e-08, 1.9245347029815562e-07, 0.0010520185179830038, 0.000627628184221436], [-2.5184289480896446e-08, 1.211162269302067e-07, 0.0006276281842214368, 0.000439705517393378]]}