full

FULL Convert TTeMPS tensor to full array
   X = FULL(X) converts the TTeMPS tensor X to a (X.order)-dimensional full array of size
   X.size(1) x X.size(2) x ... x X.size(X.order)

    Use with care! Result can easily exceed available memory.

   See also SUBSREF.

0001 function y = full( x )
0002     %FULL Convert TTeMPS tensor to full array
0003     %   X = FULL(X) converts the TTeMPS tensor X to a (X.order)-dimensional full array of size
0004     %   X.size(1) x X.size(2) x ... x X.size(X.order)
0005     %
0006     %    Use with care! Result can easily exceed available memory.
0007     %
0008     %   See also SUBSREF.
0009 
0010     %   TTeMPS Toolbox.
0011     %   Michael Steinlechner, 2013-2016
0012     %   Questions and contact: michael.steinlechner@epfl.ch
0013     %   BSD 2-clause license, see LICENSE.txt
0014 
0015 
0016     y = x.U{1};
0017     y = reshape( y, [ x.size(1), x.rank(2) ]);
0018     for i = 2:x.order
0019         U_temp = unfold( x.U{i}, 'right');
0020         y = y * U_temp;
0021         y = reshape( y, [ prod(x.size(1:i)), x.rank(i+1) ]);
0022     end
0023     y = reshape( y, x.size );
0024 end