{"coeffs": [-1.468439195887426e-06, 9.731573389647162e-05, 0.5218182169247713, 0.14543185363063021], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.917416210820687e-07, 2.575475533205547e-06, 0.0075483111683813525, 0.003617714866405069], "covariance": [[8.511317347159336e-14, -5.42815832974611e-13, -1.457719535528693e-09, -9.114771426386463e-10], [-5.428158329746106e-13, 6.633074222140397e-12, 1.929154967538806e-08, 8.763968864363504e-09], [-1.4577195355286914e-09, 1.929154967538806e-08, 5.697700149471066e-05, 2.5149681273563933e-05], [-9.114771426386453e-10, 8.763968864363507e-09, 2.5149681273563946e-05, 1.3087860854608247e-05]]}