Mercurial > octave
view scripts/elfun/atand.m @ 25054:6652d3823428 stable
maint: Update copyright dates in all source files.
author | John W. Eaton <jwe@octave.org> |
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date | Fri, 30 Mar 2018 09:19:05 -0400 |
parents | 194eb4bd202b |
children | 00f796120a6d |
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## Copyright (C) 2006-2018 David Bateman ## ## This file is part of Octave. ## ## Octave is free software: you can redistribute it and/or modify it ## under the terms of the GNU General Public License as published by ## the Free Software Foundation, either version 3 of the License, or ## (at your option) any later version. ## ## Octave is distributed in the hope that it will be useful, but ## WITHOUT ANY WARRANTY; without even the implied warranty of ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ## GNU General Public License for more details. ## ## You should have received a copy of the GNU General Public License ## along with Octave; see the file COPYING. If not, see ## <https://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {} {} atand (@var{x}) ## Compute the inverse tangent in degrees for each element of @var{x}. ## @seealso{tand, atan} ## @end deftypefn ## Author: David Bateman <dbateman@free.fr> function y = atand (x) if (nargin != 1) print_usage (); endif y = 180 ./ pi .* atan (x); endfunction %!assert (atand (0:10:90), 180/pi * atan (0:10:90), -10*eps) %!error atand () %!error atand (1, 2)