function display_slices(obs, node_sizes)
%
% display_slices(obs, node_sizes)
% Print each timeslice on a separate row, where obs(t) = composite value of slice t.

obs=obs(:)';
N=length(node_sizes);
for t=1:length(obs)
  vi = ind2subv(node_sizes, obs(t));
  fprintf(1,'%d ', vi);
  fprintf(1,'\n');
end
