{"coeffs": [-1.3781955914678114e-06, 0.2749403920191824, 2.081516923872054, 0.17370721203910772], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [5.363248140374942e-07, 129.5747908733806, 82.6627609884011, 0.013596518505991056], "covariance": [[2.8764430615235274e-13, -5.4949639255225616e-05, -3.506294689606403e-05, -6.507133763933566e-09], [-5.494963924363151e-05, 16789.626429880318, 10711.009319057253, 1.7047290595985187], [-3.50629468887893e-05, 10711.00931905846, 6833.132054225528, 1.0876373693565844], [-6.507133763253759e-09, 1.704729059742706, 1.0876373694484343, 0.00018486531548375727]]}