{"coeffs": [-2.882942673744905e-06, 0.00017091831859836375, 0.5546665478036648, 0.15467591093021016], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.947407250581605e-07, 9.220499418948249e-06, 0.015920766233258044, 0.0066259531403678905], "covariance": [[6.316128200659706e-13, -5.485659237610604e-12, -9.03305224818037e-09, -4.6298545373357125e-09], [-5.485659237610615e-12, 8.501760953482498e-11, 1.4620898288813794e-07, 5.790852247494638e-08], [-9.03305224818038e-09, 1.4620898288813794e-07, 0.00025347079745404957, 9.914206090010764e-05], [-4.6298545373357175e-09, 5.790852247494634e-08, 9.914206090010757e-05, 4.390325501835111e-05]]}