{"coeffs": [-6.134935725961592e-07, 3.4375031742857876e-05, 0.6033348758005667, 0.20151637075133808], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.960454076372258e-08, 1.324262216781989e-06, 0.013811367912802207, 0.004415104394959269], "covariance": [[4.844792094928718e-15, -7.603637602570429e-14, -7.891504818963463e-10, -2.8445911357705517e-10], [-7.60363760257049e-14, 1.7536704187963475e-12, 1.8269247815995346e-08, 5.6331861159306305e-09], [-7.891504818963519e-10, 1.8269247815995343e-08, 0.0001907538836227824, 5.8908633830776085e-05], [-2.8445911357705626e-10, 5.6331861159306115e-09, 5.890863383077589e-05, 1.9493146818388652e-05]]}