{"coeffs": [-3.564608683814159e-06, 0.00011148139195613318, 0.34719332079670656, 0.1274763388015147], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.7242428838174795e-06, 4.712529905141333e-06, 0.011255638131151727, 0.010012576320401506], "covariance": [[2.9730135223952184e-12, -5.142095528086189e-12, -5.524345343019674e-09, -1.421134997207746e-08], [-5.14209552808619e-12, 2.2207938106851384e-11, 4.731639102982498e-08, 4.2260396817369e-08], [-5.524345343019679e-09, 4.731639102982498e-08, 0.00012668938973943672, 7.73390427945972e-05], [-1.4211349972077454e-08, 4.2260396817368996e-08, 7.73390427945972e-05, 0.00010025168457186495]]}