{"coeffs": [1.306777744732433e-08, 9.21767050024964e-05, 0.708221409390961, 0.08080160924530054], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.001628797830718e-08, 0.0006282676520911292, 0.6234105129709623, 0.01634859523908864], "covariance": [[4.902280582261242e-15, -3.3312939936200383e-11, -3.3422186184789806e-08, -9.739940918047676e-10], [-3.3312939936189055e-11, 3.947202426641001e-07, 0.00039160122600987774, 1.0000635165372769e-05], [-3.342218618477942e-08, 0.00039160122600988127, 0.38864066768271827, 0.00996438768389562], [-9.73994091804593e-10, 1.0000635165373918e-05, 0.009964387683896672, 0.0002672765662915518]]}