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BESSEL_J1

Platform

Win32 and x64

Purpose

To compute the Bessel function of the first kind of order 1.

Class

Elemental function

Syntax

REAL FUNCTION BESSEL_J1(X)
REAL X

Description

The return value is of type REAL, of the same kind as X, and lies in the range -0.5818... <= Bessel_j1(x) <= 0.5818.

 

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