{"coeffs": [2.382900776687751e-07, 6.37000191737425e-05, 0.6555022629198957, 0.12181018131885821], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.046503949852291e-08, 5.4556302048718915e-06, 0.01764415536382795, 0.0033236195431499346], "covariance": [[3.656021001557935e-15, -2.012879858310293e-13, -6.65936268402523e-10, -1.5055076470631263e-10], [-2.0128798583102856e-13, 2.976390093231052e-11, 9.606926451864949e-08, 1.7155745556275114e-08], [-6.659362684025215e-10, 9.606926451864953e-08, 0.0003113162185028985, 5.635218424686416e-05], [-1.5055076470631263e-10, 1.715574555627514e-08, 5.635218424686423e-05, 1.104644686760818e-05]]}