{"coeffs": [-2.2161065605867443e-06, 6.46959108452478e-05, 0.37102916659710433, 0.1613509445532864], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.1741102004600884e-07, 1.3472851663364578e-06, 0.006132091648726978, 0.005071311116827279], "covariance": [[1.7423195965584958e-13, -4.1975206237063305e-13, -1.3401389582823839e-09, -1.891253102206406e-09], [-4.1975206237063245e-13, 1.815177319430257e-12, 7.829557511209676e-09, 6.374969809544397e-09], [-1.3401389582823814e-09, 7.829557511209675e-09, 3.760254798838714e-05, 2.5156754276288416e-05], [-1.891253102206405e-09, 6.3749698095444015e-09, 2.515675427628844e-05, 2.5718196443655945e-05]]}