{"coeffs": [-2.948054127306311e-06, 8.188271673488168e-05, 0.411695065028309, 0.15065503459553323], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.468815519498091e-07, 1.954970289461053e-06, 0.006559501316420411, 0.005643625758527002], "covariance": [[4.1845574225299356e-13, -9.360845954177496e-13, -2.0865891534694487e-09, -3.2518902719704147e-09], [-9.3608459541775e-13, 3.8219088326754335e-12, 1.202706164511267e-08, 1.0265023637278228e-08], [-2.086589153469449e-09, 1.202706164511267e-08, 4.3027057520121106e-05, 2.918995494466498e-05], [-3.251890271970415e-09, 1.0265023637278227e-08, 2.9189954944664984e-05, 3.185051170230948e-05]]}