Abstract

Let Ipx be the modified Bessel function of the first kind of order p. The upper and lower bounds in the form of simple rational functions about cosht and (sinht)/t for the function I0x are obtained. The corresponding inequalities for the Toader-Qi mean do not match those in the existing literature.

Highlights

  • We know that the modified Bessel function of the first kind of order p is denoted as

  • X2 y00 ( x ) + xy0 ( x ) − x2 + p2 y( x ) = 0, which can be written as the infinite series the Modified Bessel Function of the

  • (i) The numerical results show that inequality (20) is sharper than the one (38) on

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Summary

Introduction

We know that the modified Bessel function of the first kind of order p is denoted as. We first consider finding the bound of TQ( a, b) in the following form: x1 A2 + y1 AL + z1 G2. A + w1 G which is equivalent to searching for a bound for TQ( a, b)/G = I0 (t) in the form of ( A + w1 G ) G In this way, we can consider the power series expansion h i (cosh t + w1 ) I0 (t) − x1 (cosh t)2 + y1 (cosh t)((sinh t)/t) + z1.

Lemmas
Proof of Theorem 1
Proof of Theorem 2
Comparisons of New and Old Results
Conclusions

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