{"coeffs": [-5.570905200299577e-07, 4.672244632791071e-05, 0.41309427640670643, 0.11170045895599624], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7804955532236204e-07, 9.013889654065595e-07, 0.004838834543556876, 0.0031674940413344687], "covariance": [[3.1701644150490857e-14, -8.988493335019932e-14, -3.227498964881944e-10, -4.2051730045099043e-10], [-8.98849333501994e-14, 8.125020669567076e-13, 4.170416889825109e-09, 2.55766023368954e-09], [-3.2274989648819485e-10, 4.170416889825109e-09, 2.341431973991928e-05, 1.2407962973249957e-05], [-4.205173004509906e-10, 2.5576602336895382e-09, 1.2407962973249948e-05, 1.0033018501889366e-05]]}