Mercurial > octave
annotate scripts/elfun/atand.m @ 30560:9ed1cf9e446e
doc: Document output for all functions in elfun/ directory (bug #61681)
* acosd.m, acot.m, acotd.m, acoth.m, acsc.m, acscd.m, acsch.m, asec.m,
asecd.m, asech.m, asind.m, atan2d.m, atand.m, cosd.m, cot.m, cotd.m, coth.m,
csc.m, cscd.m, csch.m, sec.m, secd.m, sech.m, sind.m, tand.m:
Document output for all functions in elfun/ directory (bug #61681)
author | Rik <rik@octave.org> |
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date | Mon, 27 Dec 2021 20:04:52 -0800 |
parents | 7854d5752dd2 |
children | 83f9f8bda883 |
rev | line source |
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1 ######################################################################## |
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2 ## |
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3 ## Copyright (C) 2006-2021 The Octave Project Developers |
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4 ## |
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5 ## See the file COPYRIGHT.md in the top-level directory of this |
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6 ## distribution or <https://octave.org/copyright/>. |
6239 | 7 ## |
6440 | 8 ## This file is part of Octave. |
6239 | 9 ## |
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10 ## Octave is free software: you can redistribute it and/or modify it |
6440 | 11 ## under the terms of the GNU General Public License as published by |
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12 ## the Free Software Foundation, either version 3 of the License, or |
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13 ## (at your option) any later version. |
6440 | 14 ## |
15 ## Octave is distributed in the hope that it will be useful, but | |
16 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
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17 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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18 ## GNU General Public License for more details. |
6239 | 19 ## |
20 ## You should have received a copy of the GNU General Public License | |
7016 | 21 ## along with Octave; see the file COPYING. If not, see |
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22 ## <https://www.gnu.org/licenses/>. |
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23 ## |
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24 ######################################################################## |
6239 | 25 |
26 ## -*- texinfo -*- | |
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27 ## @deftypefn {} {@var{y} =} atand (@var{x}) |
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28 ## Compute the inverse tangent in degrees for each element of @var{x}. |
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29 ## @seealso{tand, atan} |
6239 | 30 ## @end deftypefn |
31 | |
32 function y = atand (x) | |
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33 |
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34 if (nargin < 1) |
6239 | 35 print_usage (); |
36 endif | |
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37 |
6239 | 38 y = 180 ./ pi .* atan (x); |
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39 |
6239 | 40 endfunction |
41 | |
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42 |
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43 %!assert (atand (0:10:90), 180/pi * atan (0:10:90), -10*eps) |
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44 |
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45 %!error <Invalid call> atand () |