'\" t
.\" Copyright (c) 2026 Bruce Hill
.\" All rights reserved.
.\"
.TH Num.y1 3 2026-03-08 "Tomo man-pages"
.SH NAME
Num.y1 \- Bessel function
.SH LIBRARY
Tomo Standard Library
.SH SYNOPSIS
.nf
.BI Num.y1\ :\ func(x:\ Num\ ->\ Num)
.fi
.SH DESCRIPTION
Computes the Bessel function of the second kind of order 1.


.SH ARGUMENTS

.TS
allbox;
lb lb lbx
l l l.
Name	Type	Description
x	Num	The number for which the Bessel function is to be calculated. 
.TE
.SH RETURN
The Bessel function of the second kind of order 1 of `x`.

.SH EXAMPLES
.EX
assert (1.0).y1().near(-0.7812128213002887)
.EE
.SH SEE ALSO
.BR Tomo-Num (3)