{"coeffs": [-5.817681710810595e-08, 0.15921639563591602, 1.2744166728857467, 0.0670317483522203], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.409187401610069e-08, 385.33151311195064, 162.8910889210972, 0.0061610760158676585], "covariance": [[1.944093354251695e-15, -6.960880015939357e-06, -2.942901665722745e-06, -1.4152857592197387e-10], [-6.9608800141183155e-06, 148480.37499714538, 62767.06940201169, 2.2717991063662137], [-2.9429016649568083e-06, 62767.06940201335, 26533.506849900794, 0.9603883941718993], [-1.4152857590140344e-10, 2.2717991065352776, 0.9603883942430913, 3.7958857673299696e-05]]}