octave-lyh: scripts/linear-algebra/vech.m annotate

annotate scripts/linear-algebra/vech.m @ 16505:ff061068a66c

move dialog files to separate directory * scripts/ui/errordlg.m, scripts/ui/helpdlg.m, scripts/ui/inputdlg.m, scripts/ui/listdlg.m, scripts/ui/msgbox.m, scripts/ui/questdlg.m, scripts/ui/warndlg.m: Move here from scripts/java. * scripts/java/module.mk (java_FCN_FILES): Update list. * scripts/ui/module.mk: New file. * scripts/Makefile.am: Include it. (ui/PKG_ADD, $(ui_GEN_FCN_FILES), ui/$(octave_dirstamp)): New targets.

author	John W. Eaton <jwe@octave.org>
date	Fri, 12 Apr 2013 14:51:51 -0400
parents	f3d52523cde1
children

rev	line source
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 12639 diff changeset	1 ## Copyright (C) 1995-2012 Kurt Hornik
9093 8be05554bbd0 optimize vech Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	2 ## Copyright (C) 2009 VZLU Prague
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3369 diff changeset	3 ##
3922 38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3458 diff changeset	4 ## This file is part of Octave.
38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3458 diff changeset	5 ##
38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3458 diff changeset	6 ## Octave is free software; you can redistribute it and/or modify it
38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3458 diff changeset	7 ## under the terms of the GNU General Public License as published by
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6046 diff changeset	8 ## the Free Software Foundation; either version 3 of the License, or (at
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6046 diff changeset	9 ## your option) any later version.
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3369 diff changeset	10 ##
3922 38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3458 diff changeset	11 ## Octave is distributed in the hope that it will be useful, but
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	12 ## WITHOUT ANY WARRANTY; without even the implied warranty of
c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3369 diff changeset	14 ## General Public License for more details.
f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3369 diff changeset	15 ##
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	16 ## You should have received a copy of the GNU General Public License
7016 93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6046 diff changeset	17 ## along with Octave; see the file COPYING. If not, see
93c65f2a5668 [project @ 2007-10-12 06:40:56 by jwe] jwe parents: 6046 diff changeset	18 ## <http://www.gnu.org/licenses/>.
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	19
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 2745 diff changeset	20 ## -- texinfo --
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 2745 diff changeset	21 ## @deftypefn {Function File} {} vech (@var{x})
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 2745 diff changeset	22 ## Return the vector obtained by eliminating all supradiagonal elements of
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 2745 diff changeset	23 ## the square matrix @var{x} and stacking the result one column above the
12639 4d777e05d47c doc: Review and update documentation for "Matrix Manipulation" chapter. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	24 ## other. This has uses in matrix calculus where the underlying matrix
4d777e05d47c doc: Review and update documentation for "Matrix Manipulation" chapter. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	25 ## is symmetric and it would be pointless to keep values above the main
4d777e05d47c doc: Review and update documentation for "Matrix Manipulation" chapter. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	26 ## diagonal.
4d777e05d47c doc: Review and update documentation for "Matrix Manipulation" chapter. Rik <octave@nomad.inbox5.com> parents: 11523 diff changeset	27 ## @seealso{vec}
3369 f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 2745 diff changeset	28 ## @end deftypefn
f37ca3017116 [project @ 1999-11-21 16:26:02 by jwe] jwe parents: 2745 diff changeset	29
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	30 ## See Magnus and Neudecker (1988), Matrix differential calculus with
c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	31 ## applications in statistics and econometrics.
c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	32
5428 2a16423e4aa0 [project @ 2005-08-23 18:38:27 by jwe] jwe parents: 5307 diff changeset	33 ## Author KH <Kurt.Hornik@wu-wien.ac.at>
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	34 ## Created: 8 May 1995
c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	35 ## Adapted-By: jwe
c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	36
c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	37 function v = vech (x)
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3369 diff changeset	38
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	39 if (nargin != 1)
6046 34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe] jwe parents: 5428 diff changeset	40 print_usage ();
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	41 endif
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3369 diff changeset	42
4030 22bd65326ec1 [project @ 2002-08-09 18:58:13 by jwe] jwe parents: 3922 diff changeset	43 if (! issquare (x))
11472 1740012184f9 Use uppercase for variable names in error() strings to match Info documentation. Only m-files done. Rik <octave@nomad.inbox5.com> parents: 9093 diff changeset	44 error ("vech: X must be square");
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	45 endif
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3369 diff changeset	46
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	47 n = rows (x);
9093 8be05554bbd0 optimize vech Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	48 slices = cellslices (x(:), (1:n) + n(0:n-1), n(1:n));
8be05554bbd0 optimize vech Jaroslav Hajek <highegg@gmail.com> parents: 8920 diff changeset	49 v = vertcat (slices{:});
2540 c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	50
c3d634d49ce4 [project @ 1996-11-20 00:20:12 by jwe] jwe parents: diff changeset	51 endfunction
7411 83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	52
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	53
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	54 %!assert (vech ([1, 2, 3; 4, 5, 6; 7, 8, 9]), [1; 4; 7; 5; 8; 9])
7411 83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	55
14363 f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	56 %!error vech ()
f3d52523cde1 Use Octave coding conventions in all m-file %!test blocks Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	57 %!error vech (1, 2)
7411 83a8781b529d [project @ 2008-01-22 21:52:25 by jwe] jwe parents: 7017 diff changeset	58

Mercurial > hg > octave-lyh

annotate scripts/linear-algebra/vech.m @ 16505:ff061068a66c