{"coeffs": [-3.919645266626624e-06, 0.00011753583127905834, 0.313299837364427, 0.12409987102322038], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1823292446384304e-06, 2.3898256367774566e-06, 0.005434658636936498, 0.005553470667537895], "covariance": [[1.3979024427272816e-12, -1.7477796141355148e-12, -7.333002437348072e-10, -5.4083722536682175e-09], [-1.7477796141355148e-12, 5.711266574198775e-12, 1.0448145919838394e-08, 1.1681672821422608e-08], [-7.333002437348076e-10, 1.0448145919838394e-08, 2.9535514500028472e-05, 1.6292691823591655e-05], [-5.408372253668218e-09, 1.168167282142261e-08, 1.6292691823591655e-05, 3.08410364552038e-05]]}