{"coeffs": [-2.739062481405596e-06, 7.656443878006448e-05, 0.49327068003269664, 0.17651480347182721], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.902276300807448e-07, 6.991390282415002e-06, 0.029835899756172707, 0.013966182769244316], "covariance": [[6.244597073430305e-13, -4.310506432041717e-12, -1.7312547879670466e-08, -9.962421272449379e-09], [-4.310506432041716e-12, 4.887953808104692e-11, 2.0753870322918914e-07, 9.290158558164834e-08], [-1.7312547879670472e-08, 2.075387032291891e-07, 0.0008901809142603867, 0.0003900776149209393], [-9.962421272449375e-09, 9.290158558164832e-08, 0.0003900776149209393, 0.00019505426114393686]]}