{"coeffs": [-1.0338662636044414e-07, 1.6503821148098114e-05, 0.45353196839213783, 0.12153702830850081], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.9949894821046816e-08, 2.2915580494471935e-07, 0.0036091287886548854, 0.0019225344293307607], "covariance": [[8.96996199791767e-16, -4.161252483836158e-15, -5.4310734950765036e-11, -4.460873771808433e-11], [-4.161252483836154e-15, 5.251238293986226e-14, 8.122243436986601e-10, 4.039186031691328e-10], [-5.431073495076487e-11, 8.122243436986596e-10, 1.302581061309748e-05, 6.103377059280174e-06], [-4.4608737718084327e-11, 4.03918603169133e-10, 6.103377059280178e-06, 3.6961386319621537e-06]]}