{"coeffs": [-1.0483368177632976e-06, 3.9396684392906144e-05, 0.41508383185437897, 0.15957501529258727], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.062741953534722e-07, 5.069940598391001e-07, 0.003911155110724435, 0.002571040289824255], "covariance": [[1.1294204598027974e-14, -3.9910743023803476e-14, -2.5258573319558545e-10, -2.4160264653317086e-10], [-3.991074302380361e-14, 2.5704297671213304e-13, 1.9371481870564866e-09, 1.2212857105031123e-09], [-2.5258573319558654e-10, 1.9371481870564874e-09, 1.5297134300145867e-05, 8.786940206443425e-06], [-2.416026465331713e-10, 1.2212857105031108e-09, 8.78694020644341e-06, 6.610248171899588e-06]]}