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% MRDIVIDE [overload base function]
% Copyright Notice
%
% Copyright (C) 2015, 2017 CentraleSupelec
%
% Author: Julien Bect <julien.bect@centralesupelec.fr>
% Copying Permission Statement
%
% This file is part of
%
% STK: a Small (Matlab/Octave) Toolbox for Kriging
% (http://sourceforge.net/projects/kriging)
%
% STK 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.
%
% STK 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 STK. If not, see <http://www.gnu.org/licenses/>.
function y = mrdivide (x1, x2)
if isa (x1, 'stk_dataframe')
x1_data = x1.data;
rownames = x1.rownames;
if isa (x2, 'stk_dataframe') % both are stk_dataframe objects
x2_data = x2.data;
colnames = x2.rownames;
else
x2_data = x2;
if isscalar (x2) % special case
colnames = x1.colnames;
else
colnames = {};
end
end
else % x2 is an stk_dataframe object, but x1 is not
x1_data = x1;
rownames = {};
x2_data = x2.data;
colnames = x2.rownames;
end
y = stk_dataframe (x1_data / x2_data, colnames, rownames);
end % function
%!test
%! x1_data = [8 7; 58 49];
%! x1 = stk_dataframe (x1_data, {'x' 'y'}, {'a'; 'b'});
%! x2_data = [8 7; 2 0];
%! x2 = stk_dataframe (x2_data, {'x' 'y'}, {'u'; 'v'});
%! y = x1 / x2;
%! assert (stk_isequal_tolabs (y, ...
%! stk_dataframe ([1 0; 7 1], {'u'; 'v'}, {'a'; 'b'})));
% Special case: division by a scalar
%!shared x_data, x, y_data, y
%! x_data = [3 3; 6 3; 9 12];
%! y_data = [1 1; 2 1; 3 4];
%! x = stk_dataframe (x_data, {'x' 'y'}, {'a'; 'b'; 'c'});
%!test y = x / 3;
%!assert (isequal (y, stk_dataframe ([1 1; 2 1; 3 4], {'x' 'y'}, {'a'; 'b'; 'c'})));
%!error y = 3 / x;
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