--- /dev/null
+## Copyright (C) 2010 Soren Hauberg
+##
+## 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, 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 file. If not, see <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn {Function File} rdivide (@var{a}, @var{b})
+## XXX: Write help text.
+## @end deftypefn
+
+function retval = rdivide (a, b)
+ ## Check input
+ if (nargin < 2)
+ print_usage ();
+ endif
+
+ if (!ismatrix (a) || !ismatrix (a))
+ error ("rdivide: input arguments must be scalars or matrices");
+ endif
+
+ if (!size_equal (a, b) || !isscalar (b))
+ error ("times: nonconformant arguments (op1 is %dx%d, op2 is %dx%d)",
+ rows (a), columns (a), rows (b), columns (b));
+ endif
+
+ ## Take action depending on input
+ if (isscalar (a) && isa (b, "kronprod"))
+ retval = kronprod (a ./ b.A, 1 ./ b.B);
+ elseif (isa (a, "kronprod") && isscalar (b))
+ if (numel (a.A) < numel (a.B))
+ retval = kronprod (a.A ./ b, a.B);
+ else
+ retval = kronprod (a.A, a.B ./ b);
+ endif
+ elseif (isa (a, "kronprod") && isa (b, "kronprod"))
+ ## XXX: Can we do something smarter here?
+ retval = full (a) ./ full (b);
+ else
+ ## XXX: We should probably handle sparse cases and all sorts of other
+ ## situations better here
+ retval = full (a) ./ full (b);
+ endif
+endfunction