Manual Reference Pages - bessel_j1 (3)
bessel_j1(3f) - [FORTRAN:INTRINSIC:MATHEMATICS] Bessel function of the first kind of order 1
CONTENTS
Syntax
Description
Arguments
Return Value
Example
Standard
Class
See Also
SYNTAX
result = bessel_j1(x)
DESCRIPTION
bessel_j1(x) computes the [[Bessel function]] of the first kind of order 1 of X.
ARGUMENTS
X - The type shall be REAL.
RETURN VALUE
The return value is of type REAL and lies in the range -0.5818 <= Bessel(0,x) <= 0.5818 . It has the same kind as X.
EXAMPLE
Sample program:
program demo_besj1 real(8) :: x = 1.0_8 x = bessel_j1(x) end program demo_besj1
STANDARD
[[Fortran 2008]] and later
CLASS
[[Elemental procedure|Elemental function]]
SEE ALSO
[[bessel_j0]], [[bessel_jn]], [[bessel_y0]], [[bessel_y1]], [[bessel_yn]]
| bessel_j1 (3) | March 18, 2019 |
