{"coeffs": [-2.492405487195506e-06, 9.00503127674102e-05, 0.460824816918207, 0.1575839092587947], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.0521469695602704e-07, 1.418389456156429e-06, 0.0046413568727061705, 0.003087372797936653], "covariance": [[9.315601123795943e-14, -3.2821434963095624e-13, -8.905270449188782e-10, -8.437798495231569e-10], [-3.2821434963095614e-13, 2.01182864933573e-12, 6.437277904755383e-09, 4.119918363676796e-09], [-8.905270449188784e-10, 6.437277904755384e-09, 2.1542193619816806e-05, 1.2589023447323067e-05], [-8.43779849523157e-10, 4.119918363676796e-09, 1.2589023447323067e-05, 9.531870793439196e-06]]}