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[d6dad2]: inst / randdeintrlv.m Maximize Restore History

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randdeintrlv.m    37 lines (31 with data), 1.2 kB

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## Copyright (C) 2008 Sylvain Pelissier <sylvain.pelissier@gmail.com>
##
## This program 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.
##
## This program 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
## this program; if not, see <http://www.gnu.org/licenses/>.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{intrlvd} =} randdeintrlv (@var{data}, @var{state})
## Restore elements of @var{data} with a random permutation.
## @seealso{randintrlv, intrlv, deintrlv}
## @end deftypefn
function deintrlvd = randdeintrlv (data, state)
if (nargin < 2 || nargin >2)
print_usage ();
endif
if (isvector (data))
l = length (data);
else
l = size (data, 1);
endif
rand ("state", state);
deintrlvd = deintrlv (data, randperm (l));
endfunction