.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.43)
.\"
.\" Standard preamble:
.\" ========================================================================
.de Sp \" Vertical space (when we can't use .PP)
.if t .sp .5v
.if n .sp
..
.de Vb \" Begin verbatim text
.ft CW
.nf
.ne \\$1
..
.de Ve \" End verbatim text
.ft R
.fi
..
.\" Set up some character translations and predefined strings.  \*(-- will
.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
.\" double quote, and \*(R" will give a right double quote.  \*(C+ will
.\" give a nicer C++.  Capital omega is used to do unbreakable dashes and
.\" therefore won't be available.  \*(C` and \*(C' expand to `' in nroff,
.\" nothing in troff, for use with C<>.
.tr \(*W-
.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
.ie n \{\
.    ds -- \(*W-
.    ds PI pi
.    if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
.    if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\"  diablo 12 pitch
.    ds L" ""
.    ds R" ""
.    ds C` ""
.    ds C' ""
'br\}
.el\{\
.    ds -- \|\(em\|
.    ds PI \(*p
.    ds L" ``
.    ds R" ''
.    ds C`
.    ds C'
'br\}
.\"
.\" Escape single quotes in literal strings from groff's Unicode transform.
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\"
.\" If the F register is >0, we'll generate index entries on stderr for
.\" titles (.TH), headers (.SH), subsections (.SS), items (.Ip), and index
.\" entries marked with X<> in POD.  Of course, you'll have to process the
.\" output yourself in some meaningful fashion.
.\"
.\" Avoid warning from groff about undefined register 'F'.
.de IX
..
.nr rF 0
.if \n(.g .if rF .nr rF 1
.if (\n(rF:(\n(.g==0)) \{\
.    if \nF \{\
.        de IX
.        tm Index:\\$1\t\\n%\t"\\$2"
..
.        if !\nF==2 \{\
.            nr % 0
.            nr F 2
.        \}
.    \}
.\}
.rr rF
.\" ========================================================================
.\"
.IX Title "MROOT 3pm"
.TH MROOT 3pm "2023-06-17" "perl v5.36.0" "User Contributed Perl Documentation"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
PDL::GSL::MROOT \- PDL interface to multidimensional root\-finding routines in GSL
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
This is an interface to the multidimensional root-finding package present in the
\&\s-1GNU\s0 Scientific Library.
.PP
At the moment there is a single function \fBgslmroot_fsolver\fR which provides an interface
to the algorithms in the \s-1GSL\s0 library that do not use derivatives.
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 2
\&   use PDL;
\&   use PDL::GSL::MROOT;
\&
\&   my $init = pdl (\-10.00, \-5.0);
\&   my $epsabs = 1e\-7;
\&
\&  $res = gslmroot_fsolver($init, \e&rosenbrock,
\&                          {Method => 0, EpsAbs => $epsabs});
\&
\&  sub rosenbrock{
\&     my ($x) = @_;
\&     my $c = 1;
\&     my $d = 10;
\&     my $y = zeroes($x);
\&
\&     my $y0 = $y\->slice(0);
\&     $y0 .=  $c * (1 \- $x\->slice(0));
\&
\&     my $y1 = $y\->slice(1);
\&     $y1 .=  $d * ($x\->slice(1) \- $x\->slice(0)**2);
\&
\&     return $y;
\&  }
\&#line 68 "MROOT.pm"
.Ve
.SH "FUNCTIONS"
.IX Header "FUNCTIONS"
.SS "gslmroot_fsolver"
.IX Subsection "gslmroot_fsolver"
.Vb 1
\&  Signature: (double [io]xfree(n);   double epsabs(); int method(); SV* function1)
.Ve
.PP
info not available
.PP
gslmroot_fsolver does not process bad values.
It will set the bad-value flag of all output ndarrays if the flag is set for any of the input ndarrays.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\s-1PDL\s0
.PP
The \s-1GSL\s0 documentation is online at
.PP
.Vb 1
\&  http://www.gnu.org/software/gsl/manual/
.Ve
.SH "AUTHOR"
.IX Header "AUTHOR"
This file copyright (C) 2006 Andres Jordan <ajordan@eso.org>
and Simon Casassus <simon@das.uchile.cl>
All rights reserved. There is no warranty. You are allowed to redistribute this
software/documentation under certain conditions. For details, see the file
\&\s-1COPYING\s0 in the \s-1PDL\s0 distribution. If this file is separated from the
\&\s-1PDL\s0 distribution, the copyright notice should be included in the file.