{"coeffs": [-3.1777848793115337e-07, 1.149561913593312, 1.947243078763693, 0.13457261048257063], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [4.987321833805666e-07, 3006.679550365271, 353.2882638278659, 0.012671748780090971], "covariance": [[2.4873379073954705e-13, -0.001028205304986888, -0.00012082437609024385, -5.102059433109531e-09], [-0.0010282053052787501, 9040121.918584708, 1062224.5930107108, 36.58469057843885], [-0.00012082437612014366, 1062224.593010679, 124812.59735850777, 4.29886655447159], [-5.102059433846036e-09, 36.58469057518654, 4.2988665540951105, 0.000160573217145737]]}