{"coeffs": [-1.040406770470248e-06, 8.088039081808044e-05, 0.44027766595956885, 0.13226341617256282], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7921431240494705e-07, 1.1731119690932708e-06, 0.003984526973255601, 0.0022616468568007696], "covariance": [[3.211776977077796e-14, -1.3682458389910896e-13, -3.831805861400849e-10, -3.301291727226262e-10], [-1.3682458389910893e-13, 1.376191692029891e-12, 4.583575072672026e-09, 2.4469808755203872e-09], [-3.83180586140085e-10, 4.583575072672027e-09, 1.5876455200601437e-05, 7.901181495071138e-06], [-3.301291727226261e-10, 2.4469808755203876e-09, 7.901181495071138e-06, 5.1150465048768005e-06]]}