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New Sharp Bounds for the Modified Bessel Function of the First Kind and Toader-Qi Mean
Mathematics ( IF 2.3 ) Pub Date : 2020-06-02 , DOI: 10.3390/math8060901
Zhen-Hang Yang , Jing-Feng Tian , Ya-Ru Zhu

Let I v x be he modified Bessel function of the first kind of order v. We prove the double inequality sinh t t cosh 1 / q q t < I 0 t < sinh t t cosh 1 / p p t holds for t > 0 if and only if p 2 / 3 and q ln 2 / ln π . The corresponding inequalities for means improve already known results.

中文翻译:

第一类和Toader-Qi均值的修正贝塞尔函数的新锐界

一世 v X 是否修改了第一类v的Bessel函数。我们证明了双重不平等 Ť Ť 科什 1个 / q q Ť < 一世 0 Ť < Ť Ť 科什 1个 / p p Ť 持有 Ť > 0 当且仅当 p 2 / 3 q ln 2 / ln π 。均值的相应不等式改善了已知结果。
更新日期:2020-06-02
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