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A new general formula for the Cauchy index on an interval with subresultants
Journal of Symbolic Computation ( IF 0.6 ) Pub Date : 2020-07-08 , DOI: 10.1016/j.jsc.2020.07.016
Daniel Perrucci , Marie-Françoise Roy

We present a new formula for the Cauchy index of a rational function on an interval using subresultant polynomials. There is no condition on the endpoints of the interval and the formula also involves in some cases less subresultant polynomials.



中文翻译:

具有子结果的区间上柯西指数的新通用公式

我们使用子结果多项式提出了一个区间上有理函数的柯西指数的新公式。区间的端点没有条件,并且该公式在某些情况下还涉及较少的子结果多项式。

更新日期:2020-07-08
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