{"coeffs": [-1.276307515199046e-06, 4.287545947502221e-05, 0.30335601448302446, 0.11966212132351164], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.101020306387697e-07, 5.735267187137551e-07, 0.003607456955344494, 0.0037775432615271146], "covariance": [[9.616326940628846e-14, -1.0641266151820747e-13, -3.997132283680895e-11, -9.529726519568021e-10], [-1.0641266151820753e-13, 3.289328970785667e-13, 1.581649744205039e-09, 1.881863706716178e-09], [-3.99713228368095e-11, 1.5816497442050397e-09, 1.3013745684663364e-05, 6.480513705105718e-06], [-9.529726519568023e-10, 1.881863706716177e-09, 6.4805137051057115e-06, 1.4269833092708912e-05]]}