/usr/share/octave/packages/communications-1.1.1/matintrlv.m is in octave-communications-common 1.1.1-1.
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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 | ## 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 tempory matrix of size
## @var{nrows}-by-@var{ncols}.
## @seealso{matdeintrlv}
## @end deftypefn
function intrlvd = matintrlv(data,Nrows,Ncols)
if(nargin < 3 || nargin >3)
error('usage : interlvd = matinterlv(data,Nrows,Ncols)');
end
if(~isscalar(Nrows) || ~isscalar(Ncols))
error("Nrows and Ncols must be integers");
end
if( Nrows ~= floor(Nrows)|| Ncols ~= floor(Ncols))
error("Nrows and Ncols must be integers");
end
s = size(data);
if(isvector(data))
if(length(data) ~= Nrows*Ncols)
error("The length of data must be equals to Ncols*Nrows");
end
data = reshape(data,Ncols,Nrows)';
intrlvd = reshape(data,s);
else
for k = 1:s(2);
if(length(data) ~= Nrows*Ncols)
error("The number of rows of data must be equals to Ncols*Nrows");
end
tmp(:,:,k) = reshape(data(:,k),Ncols,Nrows)';
intrlvd(:,k) = reshape(tmp(:,:,k),s(1),1);
end
end
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