{"coeffs": [-7.777353416868643e-07, 5.2781707586701066e-05, 0.4236354768483567, 0.12074699526899586], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.447677740253405e-07, 1.3804133004882602e-06, 0.006809815036192634, 0.00420278548594131], "covariance": [[5.991126320132014e-14, -2.0367909187602283e-13, -7.507440729418781e-10, -8.013604413611581e-10], [-2.036790918760227e-13, 1.9055408801648916e-12, 9.108249108299915e-09, 5.272367166142426e-09], [-7.507440729418782e-10, 9.108249108299917e-09, 4.637358082715529e-05, 2.4109452873187724e-05], [-8.01360441361158e-10, 5.272367166142427e-09, 2.4109452873187724e-05, 1.766340584083894e-05]]}