{"coeffs": [-7.494036514561478e-07, 6.428564068147489e-05, 0.48378278601674085, 0.14434108094944004], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.062343634230147e-07, 2.9609320545459516e-06, 0.013268053438658882, 0.006151132319615112], "covariance": [[9.377948534109905e-14, -6.288843862843874e-13, -2.578134071497554e-09, -1.5845491270615944e-09], [-6.28884386284387e-13, 8.76711863163771e-12, 3.8980453869749105e-08, 1.7055421098228463e-08], [-2.5781340714975503e-09, 3.898045386974911e-08, 0.00017604124205110777, 7.501189675996616e-05], [-1.5845491270615934e-09, 1.705542109822847e-08, 7.501189675996619e-05, 3.783642881341359e-05]]}