{"coeffs": [-4.222531776634136e-06, 0.0018000873976920838, 1.2448072312647525, 0.2228659905061876], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3754236469792353e-06, 0.0033217430040693554, 0.48648231504684414, 0.019892073719515294], "covariance": [[1.89179020866966e-12, -3.95947459576112e-09, -5.865942090706937e-07, -2.581852549431508e-08], [-3.9594745957628525e-09, 1.1033976585083704e-05, 0.0016154828078627343, 6.443847571963635e-05], [-5.865942090709345e-07, 0.0016154828078627002, 0.23666504285333692, 0.00948652980449757], [-2.5818525494320562e-08, 6.443847571962366e-05, 0.009486529804495911, 0.00039569459686263097]]}