Mercurial > octave-antonio
view scripts/strings/isletter.m @ 20170:af2b7695f1c4 draft default tip @
gallery.m: clean and vectorize part of qmult.
* scripts/special-matrix/gallery.m: make qmult() follow Octave guidelines, vectorize last for loop in qmult().
author | Antonio Pino Robles <data.script93@gmail.com> |
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date | Thu, 28 May 2015 18:32:47 +0200 |
parents | 4197fc428c7d |
children | df437a52bcaf |
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## Copyright (C) 1998-2015 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 {Function File} {} isletter (@var{s}) ## Return a logical array which is true where the elements of @var{s} ## are letters and false where they are not. This is an alias for ## the @code{isalpha} function. ## @seealso{isalpha, isdigit, ispunct, isspace, iscntrl, isalnum} ## @end deftypefn ## Author: jwe function retval = isletter (s) if (nargin != 1) print_usage (); endif retval = isalpha (s); endfunction %!error isletter () %!error isletter ("a", "b")