{"coeffs": [-1.0869697141825517e-06, -4.2065019359454825e-08, -0.1351689577459794, 0.041174844210335994], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.5351459247009686e-07, 1.3724933410834034e-07, 0.044642135308209444, 0.03891172191400413], "covariance": [[2.3566730101259918e-14, -1.8688961446523742e-15, 2.5644846546612894e-09, -2.3295444096603383e-09], [-1.8688961446523734e-15, 1.883737971318283e-14, 2.0053560970236e-09, 1.897254534786104e-09], [2.5644846546612898e-09, 2.0053560970236e-09, 0.0019929202448764802, -5.135178466329424e-05], [-2.3295444096603383e-09, 1.8972545347861046e-09, -5.135178466329424e-05, 0.0015141221023127892]]}