{"coeffs": [-2.2160536564936405e-06, 5.547531775562811e-05, 0.3327193149099584, 0.13490570621523038], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.4100282668990815e-07, 1.0567671296030323e-06, 0.005114355386737491, 0.004918482631586288], "covariance": [[1.9448349314848919e-13, -3.0894136925359565e-13, -6.068135278786114e-10, -1.8385079079930107e-09], [-3.089413692535957e-13, 1.116756766209432e-12, 4.705071381666111e-09, 4.686123466816763e-09], [-6.068135278786116e-10, 4.705071381666111e-09, 2.6156631021850788e-05, 1.6446097709497714e-05], [-1.8385079079930107e-09, 4.686123466816763e-09, 1.6446097709497714e-05, 2.4191471397215973e-05]]}