{"coeffs": [-1.965042044966732e-06, 5.512434216524357e-05, 0.39169708657990615, 0.1636051477275739], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.3290299537682464e-07, 8.935495212981299e-07, 0.00488233775307567, 0.0036365297250002234], "covariance": [[5.42438052554972e-14, -1.564598169090309e-13, -6.587322658222886e-10, -7.573276315394497e-10], [-1.5645981690903098e-13, 7.984307470121171e-13, 4.210748503489916e-09, 3.044162787611383e-09], [-6.587322658222892e-10, 4.210748503489916e-09, 2.3837221935107982e-05, 1.5039228797079215e-05], [-7.573276315394497e-10, 3.0441627876113818e-09, 1.5039228797079206e-05, 1.3224348440810199e-05]]}