Mercurial > octave-nkf
annotate scripts/ode/private/AbsRel_Norm.m @ 20584:eb9e2d187ed2
maint: Use Octave coding conventions in scripts/ode/private dir.
* AbsRel_Norm.m, fuzzy_compare.m, hermite_quartic_interpolation.m,
integrate_adaptive.m, integrate_const.m, integrate_n_steps.m, kahan.m,
ode_struct_value_check.m, odepkg_event_handle.m, odepkg_structure_check.m,
runge_kutta_45_dorpri.m, starting_stepsize.m:
Wrap long lines to < 80 chars.
Use double quotes rather than single quotes where possible.
Use ';' at end of keywords "return;" and "break;"
Use '##" for stand-alone comments and '#' for end-of-line comments.
Use two spaces after period before starting new sentence.
Use '!' instead of '~' for logical negation.
Use specific form of end (endif, endfor, etc.).
Don't use line continuation marker '...' unless necessary.
author | Rik <rik@octave.org> |
---|---|
date | Sun, 04 Oct 2015 22:18:54 -0700 |
parents | 25623ef2ff4f |
children | b7ac1e94266e |
rev | line source |
---|---|
20570
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
1 ## Copyright (C) 2013, Roberto Porcu' <roberto.porcu@polimi.it> |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
2 ## Copyright (C) 2014, Jacopo Corno <jacopo.corno@gmail.com> |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
3 ## |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
4 ## This file is part of Octave. |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
5 ## |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
6 ## Octave is free software; you can redistribute it and/or modify it |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
7 ## under the terms of the GNU General Public License as published by |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
8 ## the Free Software Foundation; either version 3 of the License, or (at |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
9 ## your option) any later version. |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
10 ## |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
11 ## Octave is distributed in the hope that it will be useful, but |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
12 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
14 ## General Public License for more details. |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
15 ## |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
16 ## You should have received a copy of the GNU General Public License |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
17 ## along with Octave; see the file COPYING. If not, see |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
18 ## <http://www.gnu.org/licenses/>. |
6256f6e366ac
Fix copyright text in private ode functions
Carlo de Falco <carlo.defalco@polimi.it>
parents:
20568
diff
changeset
|
19 |
20568
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
20 function res = AbsRel_Norm (x, x_old, AbsTol, RelTol, normcontrol, y) |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
21 |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
22 n = length (x); |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
23 |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
24 if (nargin == 5) |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
25 y = zeros (size (x)); |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
26 elseif (nargin != 6) |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
27 error ("OdePkg:InvalidArgument", |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
28 "invalid number of input arguments"); |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
29 endif |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
30 |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
31 if (length (x_old) != n |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
32 || length (y) != n) |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
33 error ("OdePkg:InvalidArgument", |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
34 "invalid dimensions of input arguments"); |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
35 endif |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
36 |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
37 if ((length (AbsTol) != 1 && length (AbsTol) != n) |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
38 || (length (RelTol) != 1 && length (RelTol) != n)) |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
39 error ("OdePkg:InvalidArgument", |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
40 "invalid dimensions of input arguments"); |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
41 endif |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
42 |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
43 sc = AbsTol + max (abs (x), abs (x_old)) .* RelTol; |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
44 if (normcontrol) |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
45 res = max (abs (x - y) ./ sc); |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
46 else |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
47 res = sqrt ((1 / n) * sum (((x - y) ./ sc).^2)); |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
48 endif |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
49 |
fcb792acab9b
Moving ode45, odeset, odeget, and levenshtein from odepkg to core.
jcorno <jacopo.corno@gmail.com>
parents:
diff
changeset
|
50 endfunction |
20584
eb9e2d187ed2
maint: Use Octave coding conventions in scripts/ode/private dir.
Rik <rik@octave.org>
parents:
20580
diff
changeset
|
51 |