{"coeffs": [-1.782642709362923e-05, -1.6786582841228742e-06, -0.27967792314659473, 0.07413767180473915], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [5.892957020804465e-06, 7.527318659837226e-07, 0.07089029338862343, 0.04193490751441773], "covariance": [[3.4726942449048636e-11, -1.3143033368490758e-12, 3.953223035719184e-07, -2.1086942146927216e-07], [-1.3143033368490774e-12, 5.666052620673369e-13, -8.230252432015378e-09, 1.4354176748477994e-08], [3.953223035719183e-07, -8.230252432015357e-09, 0.0050254336967251075, -0.0023502634308466344], [-2.1086942146927227e-07, 1.4354176748477983e-08, -0.0023502634308466357, 0.0017585364682427686]]}