{"coeffs": [-8.574992418713555e-07, -3.911663731739775e-08, -0.267592230856578, 0.06190187476294717], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.521058847697748e-08, 2.8435182562081596e-08, 0.01980298637661944, 0.016984451057476053], "covariance": [[4.252420849513708e-15, -3.6182500384996e-16, 8.656395610571206e-10, -7.351819274012257e-10], [-3.618250038499601e-16, 8.085596073389092e-16, 1.0265251435215322e-10, 1.998785667891091e-10], [8.656395610571207e-10, 1.0265251435215323e-10, 0.00039215826943257514, -0.00011874515869695468], [-7.351819274012258e-10, 1.9987856678910913e-10, -0.0001187451586969547, 0.00028847157772379935]]}