octave-lyh: scripts/signal/spencer.m annotate

annotate scripts/signal/spencer.m @ 17478:b8ecdb6ce2f8

assert.m: Speed up function by ~16% by not pre-calculating warning message. * scripts/testfun/assert.m: Don't pre-calculate "in" warning message since it is only used a small fraction of the time when there is an actual error.

author	Rik <rik@octave.org>
date	Mon, 23 Sep 2013 13:43:23 -0700
parents	5d3a684236b0
children

rev	line source
14138 72c96de7a403 maint: update copyright notices for 2012 John W. Eaton <jwe@octave.org> parents: 11523 diff changeset	1 ## Copyright (C) 1995-2012 Friedrich Leisch
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	2 ##
3922 38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3457 diff changeset	3 ## This file is part of Octave.
38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3457 diff changeset	4 ##
38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3457 diff changeset	5 ## Octave is free software; you can redistribute it and/or modify it
38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3457 diff changeset	6 ## 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	7 ## 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	8 ## your option) any later version.
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	9 ##
3922 38c61cbf086c [project @ 2002-05-01 06:48:35 by jwe] jwe parents: 3457 diff changeset	10 ## Octave is distributed in the hope that it will be useful, but
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	11 ## WITHOUT ANY WARRANTY; without even the implied warranty of
e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	13 ## General Public License for more details.
f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	14 ##
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	15 ## 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	16 ## 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	17 ## <http://www.gnu.org/licenses/>.
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	18
3449 858695b3ed62 [project @ 2000-01-18 04:08:59 by jwe] jwe parents: 3426 diff changeset	19 ## -- texinfo --
858695b3ed62 [project @ 2000-01-18 04:08:59 by jwe] jwe parents: 3426 diff changeset	20 ## @deftypefn {Function File} {} spencer (@var{x})
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 7017 diff changeset	21 ## Return Spencer's 15 point moving average of each column of
3449 858695b3ed62 [project @ 2000-01-18 04:08:59 by jwe] jwe parents: 3426 diff changeset	22 ## @var{x}.
858695b3ed62 [project @ 2000-01-18 04:08:59 by jwe] jwe parents: 3426 diff changeset	23 ## @end deftypefn
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	24
3457 e031284eea27 [project @ 2000-01-19 08:49:56 by jwe] jwe parents: 3449 diff changeset	25 ## Author: FL <Friedrich.Leisch@ci.tuwien.ac.at>
e031284eea27 [project @ 2000-01-19 08:49:56 by jwe] jwe parents: 3449 diff changeset	26 ## Description: Apply Spencer's 15-point MA filter
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	27
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 7017 diff changeset	28 function retval = spencer (x)
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	29
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	30 if (nargin != 1)
6046 34f96dd5441b [project @ 2006-10-10 16:10:25 by jwe] jwe parents: 5307 diff changeset	31 print_usage ();
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	32 endif
e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	33
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	34 [xr, xc] = size (x);
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	35
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	36 n = xr;
e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	37 c = xc;
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	38
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	39 if (isvector (x))
5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	40 n = length (x);
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	41 c = 1;
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	42 x = reshape (x, n, 1);
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	43 endif
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	44
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 7017 diff changeset	45 w = [-3, -6, -5, 3, 21, 46, 67, 74, 67, 46, 21, 3, -5, -6, -3] / 320;
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	46
11469 c776f063fefe Overhaul m-script files to use common variable name between code and documentation. Rik <octave@nomad.inbox5.com> parents: 7017 diff changeset	47 retval = fftfilt (w, x);
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	48 retval = [zeros(7,c); retval(15:n,:); zeros(7,c);];
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	49
14868 5d3a684236b0 maint: Use Octave coding conventions for cuddling parentheses in scripts directory Rik <octave@nomad.inbox5.com> parents: 14138 diff changeset	50 retval = reshape (retval, xr, xc);
3426 f8dde1807dee [project @ 2000-01-13 08:40:00 by jwe] jwe parents: 3238 diff changeset	51
3191 e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	52 endfunction
e4f4b2d26ee9 [project @ 1998-10-23 05:43:59 by jwe] jwe parents: diff changeset	53

Mercurial > hg > octave-lyh

annotate scripts/signal/spencer.m @ 17478:b8ecdb6ce2f8