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Manual Reference Pages  - bessel_y1 (3fortran)

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NAME

BESSEL_Y1(3) - [MATHEMATICS] Bessel function of the second kind of order 1

SYNOPSIS

result = bessel_y1(x)

         elemental real(kind=KIND) function bessel_y1(x)

          real(kind=KIND),intent(in) :: x

CHARACTERISTICS

o	KIND may be any supported real KIND.
o	the characteristics (type, kind) of the result are the same as X

DESCRIPTION

BESSEL_Y1(3) computes the Bessel function of the second kind of order 1 of X.

OPTIONS

o	X : The type shall be real. Its value shall be greater than zero.

RESULT

The return value is real. It has the same kind as X.

EXAMPLES

Sample program:

    program demo_bessel_y1
    use, intrinsic :: iso_fortran_env, only : real32, real64, real128
    implicit none
      real(kind=real64) :: x = 1.0_real64
      write(*,*)x, bessel_y1(x)
    end program demo_bessel_y1

Results:

     >    1.00000000000000      -0.781212821300289

STANDARD

Fortran 2008

SEE ALSO

BESSEL_J0(3), BESSEL_J1(3), BESSEL_JN(3), BESSEL_Y0(3), BESSEL_YN(3)

Fortran intrinsic descriptions

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Nemo Release 3.1

bessel_y1 (3fortran)

November 02, 2024

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