如何使用Sage解有限域中的方程?
下面是一个错误:
sage: L = (q * (q-xk) - nk)
sage: L.parent()
Finite Field in q of size 2^4096
sage: q.parent()
Finite Field in q of size 2^4096
sage: xk.parent()
Finite Field in q of size 2^4096
sage: nk.parent()
Finite Field in q of size 2^4096
sage: L.roots()
...
AttributeError: 'sage.rings.finite_rings.element_ntl_gf2e.FiniteField_ntl_gf2eElement' object has no attribute 'roots'