{"coeffs": [-9.959074591599358e-07, 0.20499993769459987, 2.0525429873404613, 0.17179897512478107], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.79515850903771e-07, 121.8543617408995, 103.27400153071953, 0.018270100939502574], "covariance": [[3.3583862144872175e-13, -5.5553832007409225e-05, -4.7094020164798576e-05, -9.41668069514439e-09], [-5.555383201093575e-05, 14848.485475281992, 12584.386664811562, 2.153427707563645], [-4.7094020167615645e-05, 12584.386664811087, 10665.51939216706, 1.8252512612310188], [-9.416680695437646e-09, 2.1534277075068453, 1.8252512611830798, 0.00033379658833961284]]}