{"coeffs": [5.951731008984059e-07, 0.00042472572545714004, 0.8868400699174561, 0.1825337304953622], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.5711847515584924e-06, 0.0003743781930817875, 0.2318501027469955, 0.026473529639385734], "covariance": [[2.4686215235299212e-12, -4.756427089454155e-10, -3.0090941563503136e-07, -3.778142879672573e-08], [-4.756427089454152e-10, 1.4015903145518416e-07, 8.671447959601629e-05, 9.58216648604538e-06], [-3.0090941563502924e-07, 8.671447959601626e-05, 0.05375447014379237, 0.0059949676856331565], [-3.778142879672557e-08, 9.582166486045376e-06, 0.005994967685633156, 0.0007008477715674349]]}