{"coeffs": [-1.8620693350365062e-07, -5.710504188509612e-09, -0.27631844678769124, 0.016346679063446685], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.045934148953852e-08, 4.318020611553665e-08, 0.06361721980703107, 0.048390041955336714], "covariance": [[4.964518803139404e-15, -6.732812378550131e-17, 1.3540928291030792e-09, -8.688413738373828e-10], [-6.732812378550126e-17, 1.8645302001802286e-15, 5.435836348708283e-10, 3.803095418075284e-10], [1.3540928291030792e-09, 5.435836348708282e-10, 0.004047150655976107, 6.108054060922198e-05], [-8.688413738373828e-10, 3.8030954180752847e-10, 6.108054060922203e-05, 0.0023415961604392474]]}