Mercurial > octave-antonio
annotate scripts/special-matrix/rosser.m @ 20162:2645f9ef8c88 stable
doc: Update more docstrings to have one sentence summary as first line.
Reviewed specfun, special-matrix, testfun, and time script directories.
* scripts/specfun/expint.m, scripts/specfun/isprime.m,
scripts/specfun/legendre.m, scripts/specfun/primes.m,
scripts/specfun/reallog.m, scripts/specfun/realsqrt.m,
scripts/special-matrix/gallery.m, scripts/special-matrix/hadamard.m,
scripts/special-matrix/hankel.m, scripts/special-matrix/hilb.m,
scripts/special-matrix/invhilb.m, scripts/special-matrix/magic.m,
scripts/special-matrix/pascal.m, scripts/special-matrix/rosser.m,
scripts/special-matrix/toeplitz.m, scripts/special-matrix/vander.m,
scripts/special-matrix/wilkinson.m, scripts/testfun/assert.m,
scripts/testfun/demo.m, scripts/testfun/example.m, scripts/testfun/fail.m,
scripts/testfun/rundemos.m, scripts/testfun/runtests.m,
scripts/testfun/speed.m, scripts/time/asctime.m, scripts/time/calendar.m,
scripts/time/clock.m, scripts/time/ctime.m, scripts/time/datenum.m,
scripts/time/datestr.m, scripts/time/datevec.m, scripts/time/etime.m,
scripts/time/is_leap_year.m, scripts/time/now.m, scripts/time/weekday.m:
Update more docstrings to have one sentence summary as first line.
author | Rik <rik@octave.org> |
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date | Sun, 03 May 2015 17:00:11 -0700 |
parents | 4197fc428c7d |
children |
rev | line source |
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19697
4197fc428c7d
maint: Update copyright notices for 2015.
John W. Eaton <jwe@octave.org>
parents:
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1 ## Copyright (C) 1999-2015 Peter Ekberg |
5827 | 2 ## |
3 ## This file is part of Octave. | |
4 ## | |
5 ## Octave is free software; you can redistribute it and/or modify it | |
6 ## under the terms of the GNU General Public License as published by | |
7016 | 7 ## the Free Software Foundation; either version 3 of the License, or (at |
8 ## your option) any later version. | |
5827 | 9 ## |
10 ## Octave is distributed in the hope that it will be useful, but | |
11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 ## General Public License for more details. | |
14 ## | |
15 ## You should have received a copy of the GNU General Public License | |
7016 | 16 ## along with Octave; see the file COPYING. If not, see |
17 ## <http://www.gnu.org/licenses/>. | |
5827 | 18 |
19 ## -*- texinfo -*- | |
20 ## @deftypefn {Function File} {} rosser () | |
20162
2645f9ef8c88
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
21 ## Return the Rosser matrix. |
5827 | 22 ## |
20162
2645f9ef8c88
doc: Update more docstrings to have one sentence summary as first line.
Rik <rik@octave.org>
parents:
19697
diff
changeset
|
23 ## This is a difficult test case used to evaluate eigenvalue algorithms. |
12639
4d777e05d47c
doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents:
12448
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24 ## @seealso{wilkinson, eig} |
5827 | 25 ## @end deftypefn |
26 | |
27 ## Author: Peter Ekberg | |
28 ## (peda) | |
29 | |
30 function retval = rosser () | |
31 | |
32 if (nargin != 0) | |
33 print_usage (); | |
34 endif | |
35 | |
36 retval = [611, 196, -192, 407, -8, -52, -49, 29; | |
37 196, 899, 113, -192, -71, -43, -8, -44; | |
38 -192, 113, 899, 196, 61, 49, 8, 52; | |
39 407, -192, 196, 611, 8, 44, 59, -23; | |
40 -8, -71, 61, 8, 411, -599, 208, 208; | |
41 -52, -43, 49, 44, -599, 411, 208, 208; | |
42 -49, -8, 8, 59, 208, 208, 99, -911; | |
43 29, -44, 52, -23, 208, 208, -911, 99]; | |
12639
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doc: Review and update documentation for "Matrix Manipulation" chapter.
Rik <octave@nomad.inbox5.com>
parents:
12448
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44 |
5827 | 45 endfunction |
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new tests for special-matrix functions
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46 |
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47 |
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48 %!assert (size (rosser ()), [8,8]) |
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49 %!assert (rosser ()([1, end]), [611, 99]) |
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50 |
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51 %!error (rosser (1)) |
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52 |