{"coeffs": [-6.688896197090769e-08, 0.35485906189969, 1.315123394515958, 0.06849639436787773], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [3.4569470921055925e-08, 645.928637963417, 125.04758459257532, 0.0032102709011633097], "covariance": [[1.1950483197617311e-15, -9.285083327808404e-06, -1.7976742308630396e-06, -5.863529660655545e-11], [-9.285083330114325e-06, 417223.8053412751, 80771.81576157906, 1.9837403359215444], [-1.7976742313334912e-06, 80771.81576157738, 15636.898412437282, 0.3840481366169063], [-5.863529661466599e-11, 1.9837403357582735, 0.3840481365851722, 1.0305839258855888e-05]]}