{"coeffs": [-3.738767070791195e-08, 1.0165280294270358e-05, 0.5872086331250422, 0.10607423798384125], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.295893917676622e-08, 5.507665399033293e-07, 0.012158137900078888, 0.005206546702931077], "covariance": [[1.8454704551930996e-15, -1.3546040799141902e-14, -2.687952977767251e-10, -1.6347462006313348e-10], [-1.3546040799141889e-14, 3.0334378147708573e-13, 6.635339119955783e-09, 2.6497385014531077e-09], [-2.6879529777672514e-10, 6.635339119955784e-09, 0.00014782031719733465, 5.775834964083546e-05], [-1.6347462006313346e-10, 2.6497385014531085e-09, 5.775834964083546e-05, 2.7108128569802474e-05]]}