{"coeffs": [-2.9674602873504074e-07, 0.2893864089206729, 1.774752253139164, 0.13892249685688346], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.292944392175351e-07, 138.25922440621036, 66.82837352855714, 0.01137876233892044], "covariance": [[2.8015260338660497e-13, -5.122963919979214e-05, -2.47693037470547e-05, -4.937060333000539e-09], [-5.12296392022984e-05, 19115.613133406834, 9239.638380126918, 1.51198500676711], [-2.476930374822248e-05, 9239.638380126702, 4466.031508472356, 0.7309087863927451], [-4.937060333133142e-09, 1.5119850067410812, 0.7309087863801489, 0.00012947623236563414]]}