{"coeffs": [-1.775392429508841e-06, 8.450493429371152e-05, 0.4009349119022648, 0.1373381105881523], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.3552139944328703e-07, 1.9334669514211933e-06, 0.0063951237044648146, 0.004413995693938615], "covariance": [[1.8967888937303917e-13, -5.647967227767705e-13, -1.3715593012635078e-09, -1.6102518100543105e-09], [-5.647967227767698e-13, 3.738294452237963e-12, 1.1906204495988649e-08, 7.842248844096265e-09], [-1.3715593012635049e-09, 1.1906204495988645e-08, 4.089760719540777e-05, 2.3480292566331346e-05], [-1.6102518100543097e-09, 7.842248844096269e-09, 2.3480292566331366e-05, 1.9483357986108635e-05]]}