{"coeffs": [1.9074300775058518e-09, 9.40987125501712e-07, 0.5613925855952527, 0.12838686316090842], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.897658938636202e-09, 2.973773972521919e-07, 0.06678908381472819, 0.013757022915181643], "covariance": [[3.4782380956475486e-17, -1.5531683291980419e-15, -3.522324761243937e-10, -7.737647754469466e-11], [-1.5531683291980332e-15, 8.843331639648794e-14, 1.985029068784791e-08, 3.9998213572962404e-09], [-3.5223247612439167e-10, 1.9850290687847914e-08, 0.004460781716810787, 0.0009033401211640459], [-7.737647754469432e-11, 3.9998213572962495e-09, 0.0009033401211640477, 0.0001892556794888328]]}