{"coeffs": [-2.0603916560664194e-08, 1.2246028640173617e-06, 1.1849890440513997, 0.29777075383469576], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.1836183812338856e-08, 2.438409175741241e-06, 0.8207655977443202, 0.09064618233832646], "covariance": [[1.400952472394724e-16, -2.6724919572177396e-14, -9.086759755593358e-09, -1.0456217642477492e-09], [-2.6724919572181057e-14, 5.945839308339078e-12, 2.000473207056346e-06, 2.1751704862068445e-07], [-9.086759755594488e-09, 2.000473207056326e-06, 0.6736561664405912, 0.07356963225327524], [-1.0456217642478216e-09, 2.1751704862067087e-07, 0.07356963225327141, 0.008216730372513128]]}