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积分中值定理中间点的渐近估计式
引用本文:张树义,赵美娜,郑晓迪.积分中值定理中间点的渐近估计式[J].北华大学学报(社会科学版),2016,17(4):448-454.
作者姓名:张树义  赵美娜  郑晓迪
作者单位:渤海大学数理学院,辽宁 锦州,121013;锦州师范高等专科学校,辽宁 锦州,121001
摘    要:利用在无穷区间上的比较函数概念,在g( x)可积的较弱条件下,建立了第一、二积分中值定理“中间点”当x→+∞时更广泛的渐近估计式,作为推论得到了Cauchy中值定理和Taylor中值定理的“中间点”当x→+∞时的渐近估计式,从而统一和发展了有关文献的结果。

关 键 词:比较函数  无穷区间  中间点  洛必达法则

Asymptotic Estimation Formulas of the Intermediate Point for Integral Mean Value Theorem
Zhang Shuyi,Zhao Meina,Zheng Xiaodi.Asymptotic Estimation Formulas of the Intermediate Point for Integral Mean Value Theorem[J].Journal of Beihua University(Social Sciences),2016,17(4):448-454.
Authors:Zhang Shuyi  Zhao Meina  Zheng Xiaodi
Abstract:By using the comparison function in infinite interval,under weaker conditions of g( x) integrable,more extensive asymptotic estimation formulas of the“intermediate point” in the first integral mean value theorem and the second integral mean value theorem are established when x is near +∞, as the corollaries, the asymptotic estimation formulas of the “intermediate point” of the Cauchy mean value theorem and the Taylor mean value theorem are obtained,which unify and extend corresponding results of some references.
Keywords:comparison function  infinite interval  intermediate point  L’ Hospital rule
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