{"coeffs": [2.284207052100317e-08, 7.751516933481325e-06, 0.5860282121587174, 0.05812449542127697], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.144472185824701e-08, 2.621862743924245e-06, 0.03841173523623843, 0.00993792848246972], "covariance": [[1.717664969907457e-15, -3.5701210042057e-14, -5.127890640322035e-10, -1.832287141657175e-10], [-3.570121004205692e-14, 6.874164247977971e-12, 1.0033335606103027e-07, 2.4236776060696576e-08], [-5.127890640322045e-10, 1.0033335606103027e-07, 0.0014754614038588808, 0.00036047650604272566], [-1.8322871416571764e-10, 2.4236776060696573e-08, 0.0003604765060427256, 9.876242252268293e-05]]}