BESSEL_Y1 — Bessel function of the second kind of order 1

Description

BESSEL_Y1(X) computes the Bessel function of the second kind of order 1 of X. This function is available under the name BESY1 as a GNU extension.

Syntax

RESULT = BESSEL_Y1(X)

Arguments

X The type shall be REAL.

Return value

The return value is of type REAL. It has the same kind as X.

Example



program test_besy1

  real(8) :: x = 1.0_8

  x = bessel_y1(x)

end program test_besy1

Specific names

Name Argument Return type Standard
DBESY1(X) REAL(8) X REAL(8) GNU extension

Standard

Fortran 2008 and later

Class

Elemental function

Name	Argument	Return type	Standard
`DBESY1(X)`	`REAL(8) X`	`REAL(8)`	GNU extension