Mercurial > octave-nkf
view scripts/general/reshape.m @ 2269:517a43164a60
[project @ 1996-05-24 01:50:09 by jwe]
author | jwe |
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date | Fri, 24 May 1996 01:53:00 +0000 |
parents | 5d29638dd524 |
children | 5cffc4b8de57 |
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# Copyright (C) 1996 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 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, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. function retval = reshape (a, m, n) # usage: reshape (a, m, n) # # Form an m x n matrix from the elements of a (taken in Fortran's # column major ordering). # # See also: `:', do_fortran_indexing if (nargin != 3) usage ("reshape (a, m, n)"); else [nr, nc] = size (a); if (nr * nc == m * n) dfi = do_fortran_indexing; istno = implicit_str_to_num_ok; unwind_protect do_fortran_indexing = 1; implicit_str_to_num_ok = 1; retval = zeros (m, n); retval (:) = a; if (isstr (a)) retval = setstr (retval); endif unwind_protect_cleanup do_fortran_indexing = dfi; implicit_str_to_num_ok = istno; end_unwind_protect else error ("reshape: sizes must match"); endif endif endfunction