{"coeffs": [6.456128249610006e-08, 2.0198595118649675e-05, 0.7962003316192626, 0.12606514610257155], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.67870942686852e-08, 4.967968200931601e-06, 0.0478368560048864, 0.00663963377199324], "covariance": [[7.175484193594276e-16, -8.880757264348791e-14, -8.782548410324288e-10, -1.4102126151207274e-10], [-8.880757264348868e-14, 2.4680708045467566e-11, 2.3731814285205386e-07, 3.154073270924009e-08], [-8.782548410324374e-10, 2.3731814285205376e-07, 0.002288364792432236, 0.0003077911506615104], [-1.4102126151207378e-10, 3.1540732709239975e-08, 0.00030779115066150944, 4.408473662619318e-05]]}