{"coeffs": [-6.495368963324314e-08, 6.775083796875457e-05, 0.48006909142788384, 0.0960296313477482], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [9.499685713275934e-08, 9.808862613489533e-07, 0.0031310465455166923, 0.0015156926054941712], "covariance": [[9.024402865101888e-15, -4.506738399653441e-14, -1.172163263279769e-10, -9.403201552868049e-11], [-4.5067383996534454e-14, 9.62137857703127e-13, 3.016224202096947e-09, 1.3430475762000508e-09], [-1.1721632632797698e-10, 3.016224202096947e-09, 9.803452470192013e-06, 4.168754742923585e-06], [-9.40320155286805e-11, 1.3430475762000506e-09, 4.1687547429235846e-06, 2.2973240743497093e-06]]}