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porcentual.m    43 lines (36 with data), 1.3 kB

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## Copyright (C) 2009 Esteban Cervetto <estebancster@gmail.com>
##
## 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} {@var{M} =} porcentual (@var{a}, @var{dim})
## Auxiliar funcion. Calcs de porcentual distribution by cols (@var{a}=1) or rows (@var{a}=2)
## of the matrix @var{a}
## @end deftypefn
function [M] = porcentual (a, dim)
if (nargin==0)
print_usage;
end
[m,n] = size(a);
if (nargin == 1)
M = a./sum(sum(a));
else
if (dim ==1)
M = a./ (ones(1,m)'*sum(a));
elseif (dim==2)
M = (a'./ (ones(1,n)'*sum(a')))';
else
error("invalid dimension");
end
end