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Manual Reference Pages  - besy0 (3)

NAME

besy0(3f) - [M_bessel] calculates the Bessel function Y(X) of order zero.

CONTENTS

Synopsis
Description
Authors
Options
Example

SYNOPSIS

function besy0(x)

DESCRIPTION

Series evaluation is used for small arguments, recurrence techniques are used for midrange, and Hankel-S asymptotic expansion is used for large arguments. Accuracy is between thirteen and fourteen correct significant figures except for large arguments where the accuracy eventually falls to eight figures.

AUTHORS

Origin

   Sandia Mathematical Program Library
   Applied Mathematics Division 2642
   Sandia Laboratories
   P. O. Box 5800
   Albuquerque, New Mexico  87115
   Control Data 6600 Version 5.1, 10 December 1973

Written by Ronald D. Halbgewachs, October 1,1971.

    IMPLEMENTATION

Changes were made for portability and to conform to newer Fortran standards.

OPTIONS

X may be any nonnegative doubleprecision argument.

EXAMPLE


besy0 (3) March 11, 2021
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