{"coeffs": [-4.2909533701610604e-07, 9.503680876758669e-05, 0.39076474515201065, 0.1297906131289226], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.901485281157512e-07, 1.5899714110575978e-06, 0.004610894273950531, 0.0033359455009410294], "covariance": [[1.5221587399088713e-13, -3.981066761244279e-13, -7.754855637466398e-10, -1.064991988761955e-09], [-3.98106676124428e-13, 2.5280090879804887e-12, 6.972658115560656e-09, 4.824766978365029e-09], [-7.754855637466397e-10, 6.972658115560655e-09, 2.1260346005549793e-05, 1.2342379624758539e-05], [-1.064991988761955e-09, 4.824766978365029e-09, 1.2342379624758539e-05, 1.1128532385248697e-05]]}