{"coeffs": [-7.359433043302118e-06, 7.268227069913878e-05, 0.5068310431776429, 0.27148763867440645], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.4560701555054305e-06, 6.003652110115553e-06, 0.03296371658429748, 0.022922747242241342], "covariance": [[2.120140297753608e-12, -7.948016620430306e-12, -4.082826218217495e-08, -3.242881130763809e-08], [-7.948016620430325e-12, 3.6043838659294935e-11, 1.962490849011091e-07, 1.3448077442361528e-07], [-4.082826218217506e-08, 1.962490849011092e-07, 0.0010866066110498888, 0.0007150593566768169], [-3.2428811307638126e-08, 1.3448077442361513e-07, 0.0007150593566768156, 0.000525452341131683]]}