{"coeffs": [7.466942294048099e-07, 1.195331257803875e-05, 0.6120569639819161, 0.03002102270909884], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.2541796131623967e-07, 1.7026736839496074e-05, 0.10091665434690573, 0.0333848970213342], "covariance": [[1.0589684954721767e-13, -1.3324265800084224e-12, -7.253371318036456e-09, -3.4084541333245577e-09], [-1.3324265800084236e-12, 2.899097674014528e-10, 1.7093650808306e-06, 5.357223808106031e-07], [-7.253371318036464e-09, 1.7093650808306e-06, 0.010184171124572849, 0.0031860962775096917], [-3.4084541333245557e-09, 5.357223808106031e-07, 0.0031860962775096917, 0.0011145513491250892]]}