The algorithm constructs matrixes by using covariation or covariation coefficient and estimates bearing and range of near-field sources by rooting method.
It turns out though, if you think about the group which permutes the roots of such a polynomial, there's something about the nature of this group that reveals that no quintic formula can exist.
法利用协变异(或协变异系数)构造
阵,并通过求根
角和距离参数。
， 
果你考虑一下置换这种
项式根的群，这个群的性
了不存在五次方程的
