{"coeffs": [-7.626104755630919e-08, 6.294103492334728e-07, 0.8394144556590415, 0.2757201533685305], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.4326515185475133e-08, 5.945987777287368e-08, 0.03190090165126104, 0.03384869896998311], "covariance": [[5.917793410691522e-16, -1.3226832129480216e-15, -6.017546170992788e-10, -8.022837802443431e-10], [-1.3226832129480188e-15, 3.5354770647650778e-15, 1.8280415494436248e-09, 1.9677682632741134e-09], [-6.01754617099276e-10, 1.8280415494436217e-09, 0.0010176675261634295, 0.0009630449766533424], [-8.022837802443422e-10, 1.9677682632741155e-09, 0.0009630449766533451, 0.0011457344219605358]]}