Mercurial > octave-nkf
view scripts/elfun/csc.m @ 20627:56333f6df823
ls.m: Produce listing with 1 file per line if nargout > 0 (bug #46002).
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HG: user: Lachlan Andrew <lachlanbis@gmail.com>
HG: branch 'default'
* ls.m: Add '-1' to arguments on non-PC platforms so that file listing is one
per line.
author | Lachlan Andrew <lachlanbis@gmail.com> |
---|---|
date | Fri, 09 Oct 2015 19:29:28 -0700 |
parents | 4197fc428c7d |
children |
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## Copyright (C) 1994-2015 John W. Eaton ## ## 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 ## <http://www.gnu.org/licenses/>. ## -*- texinfo -*- ## @deftypefn {Mapping Function} {} csc (@var{x}) ## Compute the cosecant for each element of @var{x} in radians. ## @seealso{acsc, cscd, csch} ## @end deftypefn ## Author: jwe function y = csc (x) if (nargin != 1) print_usage (); endif y = 1 ./ sin (x); endfunction %!test %! rt2 = sqrt (2); %! rt3 = sqrt (3); %! x = [pi/6, pi/4, pi/3, pi/2, 2*pi/3, 3*pi/4, 5*pi/6]; %! v = [2, rt2, 2*rt3/3, 1, 2*rt3/3, rt2, 2]; %! assert (csc (x), v, sqrt (eps)); %!error csc () %!error csc (1, 2)