By companion matrix of polynomial gave one necessary and sufficient conditions of two polynomial having common roots, according to the above gives one method to solute dual higher order equation.
By companion matrix of polynomial gave one necessary and sufficient conditions of two polynomial having common roots, according to the above gives one method to solute dual higher order equation.
摘要利用多项式的伴侣阵给出两多项式有公共根的一个充要条件，并据此给出解二元高次方程的一种方法。