{"coeffs": [-1.7689089609193347e-07, -5.569323686935064e-10, -0.3261357946292466, 0.01019601862512826], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [6.146408926447612e-08, 3.370236932486996e-08, 0.0479046893265587, 0.05649413778346406], "covariance": [[3.777834269111489e-15, -5.693016276024067e-17, 3.513444677680583e-10, -5.478175592212549e-10], [-5.693016276024069e-17, 1.1358496981099356e-15, 3.7340329065568927e-10, 4.238060424024134e-10], [3.513444677680583e-10, 3.7340329065568927e-10, 0.002294859259474107, 0.0017801790619983771], [-5.478175592212549e-10, 4.238060424024134e-10, 0.0017801790619983771, 0.003191587603897021]]}