{"coeffs": [2.0141108411432393e-08, 9.608804511411354e-05, 0.9985859673092424, 0.12472252761975937], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.425421332779456e-08, 0.0002638812934496342, 0.40455967156479034, 0.01541644289917936], "covariance": [[4.1286039303737325e-15, -1.1296853642430923e-11, -1.7667134134791935e-08, -7.783274548073548e-10], [-1.1296853642430892e-11, 6.963333703265197e-08, 0.00010671074107035707, 3.910972303427536e-06], [-1.7667134134791653e-08, 0.00010671074107035707, 0.163668527856611, 0.006042618566372136], [-7.783274548073477e-10, 3.910972303427537e-06, 0.006042618566372136, 0.0002376667116636577]]}