{"coeffs": [-4.0347290337342044e-05, 0.7839477771963812, 14.91304398624093, 1.5219865388701221], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.00033849353532537126, 69401.30280972506, 135009.6858870524, 18.918637009824415], "covariance": [[1.1457787345706836e-07, -23.407497948617994, -45.535925366792036, -0.006398015931473949], [-23.407507773272002, 4816540831.687152, 9369848081.598045, 1311803.4211326193], [-45.53594446783552, 9369848079.243801, 18227615283.320553, 2551919.6466061426], [-0.006398017271573402, 1311803.146286824, 2551919.112576334, 357.91482630949815]]}