REAL ROOT ISOLATION OF SPLINE FUNCTIONS

• 来源期刊: 计算数学(英文版)
• 关键词: Real root isolation Univariate spline Descartes' rule of signs de Casteljan algorithm
• 年，卷（期）: 2008,（1）
• 页码范围: 69-75
• 页数: 7页
• 语种: 英文

摘要

In this paper,we propose an algorithm for isolating real roots of a given univariate spline function,which is based on the use of Descartes' rule of signs and de Casteljau algorithm.Numerical examples illustrate the flexibility and effectiveness of the algorithm.