Mercurial > octave-nkf
view scripts/elfun/acotd.m @ 6469:a848b846cb3a ss-2-9-10
[project @ 2007-03-27 18:42:11 by jwe]
author | jwe |
---|---|
date | Tue, 27 Mar 2007 18:42:11 +0000 |
parents | 98ee80702bca |
children | 93c65f2a5668 |
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## Copyright (C) 2006 David Bateman <dbateman@free.fr> ## ## 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 2, 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, write to the Free ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA ## 02110-1301, USA. ## -*- texinfo -*- ## @deftypefn {Function File} {} acotd (@var{x}) ## Compute the inverse cotangent of an angle in degrees. ## @seealso{atan, tand} ## @end deftypefn function y = acotd (x) if (nargin != 1) print_usage (); endif y = atand (1 ./ x); endfunction %!error(acotd()) %!error(acotd(1,2)) %!assert(acotd(0:10:90),180./pi.*acot(0:10:90),-10*eps)