{"coeffs": [1.364065118502237e-07, 1.0155899662459595e-05, 0.7339345517305641, 0.11708480200395427], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.040051236680305e-08, 4.5570982058396995e-06, 0.08973420389703615, 0.016866631145411485], "covariance": [[2.5402116468362674e-15, -1.4494892782742606e-13, -2.9124929826060546e-09, -6.487249164549761e-10], [-1.4494892782742578e-13, 2.076714405766741e-11, 4.08225339394997e-07, 7.30942008508061e-08], [-2.912492982606054e-09, 4.082253393949971e-07, 0.008052227349034859, 0.001459163597267078], [-6.487249164549758e-10, 7.30942008508061e-08, 0.0014591635972670781, 0.00028448324619536475]]}