{"coeffs": [-6.284992309269356e-07, 4.308915426172617e-05, 0.45686572351005916, 0.12137411089542556], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.662953802348362e-07, 1.317885930209212e-06, 0.007862385658714487, 0.004120337690835181], "covariance": [[2.7654153487448754e-14, -1.3272014329137767e-13, -6.616902083820035e-10, -5.299007963072041e-10], [-1.3272014329137772e-13, 1.7368233250433997e-12, 1.0186251442943254e-08, 4.981914927885933e-09], [-6.616902083820029e-10, 1.018625144294325e-08, 6.181710824635923e-05, 2.8597472633033053e-05], [-5.29900796307204e-10, 4.981914927885932e-09, 2.8597472633033057e-05, 1.6977182686516986e-05]]}