{"coeffs": [-1.7981219327026241e-06, 0.00010165961267721025, 0.38187605149803744, 0.12545119284040937], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.283773434970343e-07, 1.9863308803724715e-06, 0.005230249252237991, 0.00394602229112674], "covariance": [[2.79182617120983e-13, -6.546554342073883e-13, -1.0609482225335993e-09, -1.6822148137534717e-09], [-6.546554342073879e-13, 3.945510366321278e-12, 9.759335693247593e-09, 7.075270052755849e-09], [-1.0609482225335974e-09, 9.759335693247588e-09, 2.7355507240536068e-05, 1.6013190850067077e-05], [-1.6822148137534713e-09, 7.07527005275585e-09, 1.6013190850067087e-05, 1.557109192206913e-05]]}