BESY1(3)

SYNOPSIS
FUNCTION BESY1 (X)

NAME
besy1 - Compute the Bessel function of the second kind of order one.

LIBRARY
SLATEC (FNLIB)

CATEGORY
C10A1

TYPE
SINGLE PRECISION (BESY1-S, DBESY1-D)

KEYWORDS
BESSEL FUNCTION, FNLIB, ORDER ONE, SECOND KIND, SPECIAL FUNCTIONS

AUTHOR
Fullerton, W., (LANL)

DESCRIPTION
BESY1(X) calculates the Bessel function of the second kind of order one for real argument X. Series for BY1 on the interval 0. to 1.60000D+01 with weighted error 1.87E-18 log weighted error 17.73 significant figures required 17.83 decimal places required 18.30 Series for BM1 on the interval 0. to 6.25000D-02 with weighted error 5.61E-17 log weighted error 16.25 significant figures required 14.97 decimal places required 16.91 Series for BTH1 on the interval 0. to 6.25000D-02 with weighted error 4.10E-17 log weighted error 16.39 significant figures required 15.96 decimal places required 17.08

REFERENCES
(NONE)

ROUTINES CALLED
BESJ1, CSEVL, INITS, R1MACH, XERMSG

REVISION HISTORY (YYMMDD)
770401 DATE WRITTEN
890531 Changed all specific intrinsics to generic. (WRB)
890531 REVISION DATE from Version 3.2
891214 Prologue converted to Version 4.0 format. (BAB)
900315 CALLs to XERROR changed to CALLs to XERMSG. (THJ)
900326 Removed duplicate information from DESCRIPTION section. (WRB)