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[期刊论文]

三次插值样条的凹凸性修正

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author:

孙道勋 (孙道勋.) [1]

Abstract:

<正> 一、问题的提出.设区间[a,b]上给定一个分划a=x_0<x_1<…<x_n=b,又给定一组相应的型值y_0~0,y_1~0,…,y_n~0,那末通过型值点(x_i,y_i~0)(i=1,2,…,n-1)且满足端点条件:s_0(x_0)=y_0~0,s_0(x_n)=y_n~0,m_0=y″_0,m_n=y″_n的三次插值样条曲线s_0(x)存在且唯一.这时s_0(x)在内节点x_i处的二阶导数m_i~0也被完全确定.但实

Keyword:

凹凸性 插值样条 最小值点

Community:

  • [ 1 ] 福州大学

Reprint 's Address:

  • 孙道勋

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Source :

高等学校计算数学学报

ISSN: 1000-081X

CN: 32-1170/O1

Year: 1981

Issue: 04

Page: 370-372

Cited Count:

WoS CC Cited Count:

30 Days PV: 3

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