{"coeffs": [-3.262331408338069e-05, 1.1664108219676386e-07, -0.4653797858981908, 0.1544004496961583], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.226182887746722e-05, 2.0590083541639745e-07, 0.10155380078065121, 0.02230169777696277], "covariance": [[1.5035244742028905e-10, -1.589100705930137e-12, 1.2426110270923112e-06, -2.583087024300178e-07], [-1.5891007059301133e-12, 4.239515402517039e-14, -1.336168957180877e-08, 3.5375750598371327e-09], [1.2426110270923112e-06, -1.3361689571808938e-08, 0.010313174452996194, -0.0021702354081846783], [-2.583087024300176e-07, 3.5375750598371468e-09, -0.0021702354081846766, 0.0004973657237349862]]}