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Fungrim entry: 0836b4

Jn ⁣(z)eIm(z)\left|J_{n}\!\left(z\right)\right| \le {e}^{\left|\operatorname{Im}(z)\right|}
Assumptions:nZ  and  zCn \in \mathbb{Z} \;\mathbin{\operatorname{and}}\; z \in \mathbb{C}
\left|J_{n}\!\left(z\right)\right| \le {e}^{\left|\operatorname{Im}(z)\right|}

n \in \mathbb{Z} \;\mathbin{\operatorname{and}}\; z \in \mathbb{C}
Fungrim symbol Notation Short description
Absz\left|z\right| Absolute value
BesselJJν ⁣(z)J_{\nu}\!\left(z\right) Bessel function of the first kind
Expez{e}^{z} Exponential function
ImIm(z)\operatorname{Im}(z) Imaginary part
ZZZ\mathbb{Z} Integers
CCC\mathbb{C} Complex numbers
Source code for this entry:
    Formula(LessEqual(Abs(BesselJ(n, z)), Exp(Abs(Im(z))))),
    Variables(n, z),
    Assumptions(And(Element(n, ZZ), Element(z, CC))))

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Copyright (C) Fredrik Johansson and contributors. Fungrim is provided under the MIT license. The source code is on GitHub.

2021-03-15 19:12:00.328586 UTC