{"coeffs": [2.5317720975044857e-08, 0.5355525943861214, 1.4672624058497825, 0.08326677873969714], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [7.261960274389083e-08, 1254.509355819767, 195.67938143175297, 0.004881750454593162], "covariance": [[5.273606702680516e-15, -4.3625817661704196e-05, -6.805296149089252e-06, -2.1321856143672485e-10], [-4.3625817692686656e-05, 1573793.7238393268, 245481.61404174336, 5.848762730327406], [-6.805296153682176e-06, 245481.61404173067, 38290.42031751347, 0.9123161792922737], [-2.132185615258476e-10, 5.848762729092476, 0.9123161791003151, 2.383148750092055e-05]]}