{"coeffs": [-6.020890204362981e-07, 5.409417992813353e-05, 0.6489957522543174, 0.17362061893767308], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.821884252243393e-08, 3.845361687312085e-06, 0.02135516026009864, 0.005175684613947445], "covariance": [[9.646941026446676e-15, -2.913911991385346e-13, -1.6343666816441597e-09, -4.511383860223392e-10], [-2.9139119913853604e-13, 1.478680650624765e-11, 8.200903372808317e-08, 1.906945407770467e-08], [-1.6343666816441657e-09, 8.20090337280832e-08, 0.0004560428697344961, 0.00010688211840649809], [-4.5113838602234033e-10, 1.9069454077704655e-08, 0.00010688211840649796, 2.678771122305231e-05]]}