/usr/share/octave/packages/communications-1.2.0/matintrlv.m is in octave-communications-common 1.2.0-1build1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | ## 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} =} matintrlv (@var{data}, @var{nrows}, @var{ncols})
## Interleaved elements of @var{data} with a temporary matrix of size
## @var{nrows}-by-@var{ncols}.
## @seealso{matdeintrlv}
## @end deftypefn
function intrlvd = matintrlv (data, Nrows, Ncols)
if (nargin != 3)
print_usage ();
endif
if (! (isscalar (Nrows) && Nrows == fix (Nrows)))
error ("matintrlv: NROWS must be an integer");
endif
if (! (isscalar (Ncols) && Ncols == fix (Ncols)))
error ("matintrlv: NCOLS must be an integer");
endif
s = size (data);
if (isvector (data))
if (length (data) != Nrows*Ncols)
error ("matintrlv: DATA must be a vector of length NCOLS*NROWS");
endif
data = reshape (data, Ncols, Nrows)';
intrlvd = reshape (data, s);
else
for k = 1:s(2);
if (length (data) != Nrows*Ncols)
error ("matintrlv: DATA must have NCOLS*NROWS rows");
endif
tmp(:,:,k) = reshape (data(:,k), Ncols, Nrows)';
intrlvd(:,k) = reshape (tmp(:,:,k), s(1), 1);
endfor
endif
endfunction
%% Test input validation
%!error matintrlv ()
%!error matintrlv (1)
%!error matintrlv (1, 2)
%!error matintrlv (1, 2, 3, 4)
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