{"coeffs": [-0.16261959870679837, 1.9954313474444057e-08, 0.42771912463014616, 0.002551455383903413], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1283427.3980655253, 3.019095691093863e-08, 9926.96899147537, 1239.5993359078097], "covariance": [[1647185886105.2441, 1.2491983726595684e-09, 8674647555.54613, 1433582315.82105], [-2.4841112435907158e-11, 9.114938791981531e-16, 1.1551523275267368e-12, 4.7938121607230465e-14], [9402654674.745901, 0.0, 98544713.35771355, 4089545.889420717], [1372793280.2189875, 0.0, 3135809.21390765, 1536606.513583083]]}