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`BESSEL_Y0`

— Bessel function of the second kind of order 0*Description*:`BESSEL_Y0(X)`

computes the Bessel function of the second kind of order 0 of`X`. This function is available under the name`BESY0`

as a GNU extension.*Standard*:- Fortran 2008 and later
*Class*:- Elemental function
*Syntax*:`RESULT = BESSEL_Y0(X)`

*Arguments*:-
`X`The type shall be `REAL`

, and it shall be scalar. *Return value*:- The return value is a scalar of type
`REAL`

. It has the same kind as`X`. *Example*:-
program test_besy0 real(8) :: x = 0.0_8 x = bessel_y0(x) end program test_besy0

*Specific names*:-
Name Argument Return type Standard `DBESY0(X)`

`REAL(8) X`

`REAL(8)`

GNU extension