{"coeffs": [-1.4132361753682067e-07, -1.0582185267018806e-08, -0.28202382438548884, 0.018877288001349975], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.222396798995682e-08, 7.413730037130443e-09, 0.015964285120118663, 0.012831757445599315], "covariance": [[1.4942539341948898e-16, -2.720514911892766e-18, 6.488183495037514e-11, -4.6349780750259726e-11], [-2.7205149118927648e-18, 5.496339306345016e-17, 2.3559985897237287e-11, 1.8042149015283393e-11], [6.488183495037513e-11, 2.3559985897237284e-11, 0.0002548583993964422, -1.0050369677272325e-05], [-4.6349780750259726e-11, 1.8042149015283393e-11, -1.005036967727233e-05, 0.00016465399914269348]]}