{"coeffs": [-2.471670809108946e-06, 0.3174324160943938, 2.1863409529983033, 0.19788723398894725], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.126397123804855e-06, 84.4816437552142, 53.17978690734155, 0.015070469215161909], "covariance": [[1.2687704805158497e-12, -7.934861423626676e-05, -4.996325192439707e-05, -1.5659892088327856e-08], [-7.934861423698276e-05, 7137.148131582921, 4492.715195835123, 1.2373044424865756], [-4.9963251924906015e-05, 4492.715195835078, 2828.0897355102557, 0.7789612935728528], [-1.5659892088400046e-08, 1.2373044424807536, 0.7789612935691672, 0.00022711904236514277]]}