{"coeffs": [-5.070520472707836e-07, 0.43782861156519287, 2.0210511206169626, 0.13781639260218356], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.540654892606146e-07, 18640.066211978254, 5888.1471426292155, 0.11853346308755282], "covariance": [[9.102409577980959e-13, -0.011932253063444767, -0.0037694134953591978, -8.98633077224853e-08], [-0.011932253076275438, 347452068.3869334, 109755452.40930305, 2119.404091108742], [-0.0037694134995155467, 109755452.40929405, 34670276.77325259, 669.5031048764858], [-8.986330777341557e-08, 2119.4040902499387, 669.5031046052741, 0.014050181871528246]]}