{"coeffs": [-6.331988417820837e-09, 0.00018401943638587755, 0.5802080175410504, 0.16782095966497831], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8034565932907067e-06, 2.4349035452453717e-05, 0.04199908574920293, 0.016049109330624832], "covariance": [[3.2524556838837214e-12, -3.4288824950064915e-11, -5.7536901167814584e-08, -2.6043776769055858e-08], [-3.4288824950065005e-11, 5.928755274648479e-10, 1.0201171663057082e-06, 3.7297299603726225e-07], [-5.753690116781469e-08, 1.0201171663057082e-06, 0.0017639232037689005, 0.000641164049798783], [-2.6043776769055868e-08, 3.729729960372619e-07, 0.0006411640497987823, 0.000257573910306349]]}