{"coeffs": [-5.453117228691202e-07, 4.904509657515454e-05, 0.4147459989365144, 0.12035880893406144], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.6311466276710384e-07, 2.391192129595279e-06, 0.012759193269234755, 0.008223851657630094], "covariance": [[2.144751908698883e-13, -6.656210392553074e-13, -2.5468534267845317e-09, -2.970222451039308e-09], [-6.656210392553081e-13, 5.717799800638405e-12, 2.939187413992505e-08, 1.781669315059717e-08], [-2.5468534267845367e-09, 2.9391874139925054e-08, 0.00016279701288168544, 8.691806882496059e-05], [-2.970222451039308e-09, 1.781669315059716e-08, 8.691806882496054e-05, 6.763173608670522e-05]]}