摘要
Considering the polynomial f<sub>n</sub>（z）=a<sub>0</sub>z<sup>n</sup>+a<sub>1</sub>z<sup>n-1</sup>+...+a<sub>n-1</sub>z+a<sub>n</sub>, （1） let P=（P<sub>0</sub>, P<sub>1</sub>,...,P<sub>n</sub>）, q=（q<sub>0</sub>, q<sub>1</sub>,...,q<sub>n</sub>）, a=（a<sub>0</sub>, a<sub>1</sub>,...,a<sub>n</sub>）, where p<sub>i</sub>, q<sub>i</sub>, a<sub>i</sub> are real numbers, satisfying the
