A globally convergent interval method for computing and bounding real roots

A globally convergent interval method for computing and bounding real roots
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计算和界定实根的全局收敛区间方法

DOI:
10.1007/bf01932020
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发表时间:
1978
影响因子:
1.5
通讯作者:
E. Hansen
E. Hansen
中科院分区:
数学3区
文献类型:
--
作者:
E. Hansen

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本文将区间牛顿法推广到区间导数可能为零的情形。这种方法将在给定的区间内分离和限制连续可微函数的所有真实的根。特别是,它将绑定多个根。我们证明了该方法永远不会收敛。
In this paper, we extend the interval Newton method to the case where the interval derivative may contain zero. This extended method will isolate and bound all the real roots of a continuously differentiable function in a given interval. In particular, it will bound multiple roots. We prove that the method never fails to converge.