gce

a=gca() //get the handle of the newly created axes
a.data_bounds=[1,1;10,10];
a.axes_visible = 'on' ;
for i=1:5
  xfrect(7-i,9-i,3,3);
  e=gce();
  e.background=i;
end
delete(); // delete current entity
delete(gce()); // delete current entity
delete(gcf()); // delete current figure